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• Transition Words & Phrases | List & Examples

Transition Words & Phrases | List & Examples

Published on May 29, 2020 by Jack Caulfield . Revised on August 23, 2023.

Transition words and phrases (also called linking words, connecting words, or transitional words) are used to link together different ideas in your text. They help the reader to follow your arguments by expressing the relationships between different sentences or parts of a sentence.

The proposed solution to the problem did not work. Therefore , we attempted a second solution. However , this solution was also unsuccessful.

For clear writing, it’s essential to understand the meaning of transition words and use them correctly.

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Table of contents

When and how to use transition words, types and examples of transition words, common mistakes with transition words, other interesting articles.

Transition words commonly appear at the start of a new sentence or clause (followed by a comma ), serving to express how this clause relates to the previous one.

Transition words can also appear in the middle of a clause. It’s important to place them correctly to convey the meaning you intend.

Example text with and without transition words

The text below describes all the events it needs to, but it does not use any transition words to connect them. Because of this, it’s not clear exactly how these different events are related or what point the author is making by telling us about them.

If we add some transition words at appropriate moments, the text reads more smoothly and the relationship among the events described becomes clearer.

Germany invaded Poland on September 1, 1939. Consequently , France and the United Kingdom declared war on Germany. The Soviet Union initially worked with Germany in order to partition Poland. However , Germany invaded the Soviet Union in 1941.

Don’t overuse transition words

While transition words are essential to clear writing, it’s possible to use too many of them. Consider the following example, in which the overuse of linking words slows down the text and makes it feel repetitive.

In this case the best way to fix the problem is to simplify the text so that fewer linking words are needed.

The key to using transition words effectively is striking the right balance. It is difficult to follow the logic of a text with no transition words, but a text where every sentence begins with a transition word can feel over-explained.

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There are four main types of transition word: additive, adversative, causal, and sequential. Within each category, words are divided into several more specific functions.

Remember that transition words with similar meanings are not necessarily interchangeable. It’s important to understand the meaning of all the transition words you use. If unsure, consult a dictionary to find the precise definition.

Additive transition words

Additive transition words introduce new information or examples. They can be used to expand upon, compare with, or clarify the preceding text.

Adversative transition words

Adversative transition words always signal a contrast of some kind. They can be used to introduce information that disagrees or contrasts with the preceding text.

Causal transition words

Causal transition words are used to describe cause and effect. They can be used to express purpose, consequence, and condition.

Sequential transition words

Sequential transition words indicate a sequence, whether it’s the order in which events occurred chronologically or the order you’re presenting them in your text. They can be used for signposting in academic texts.

Transition words are often used incorrectly. Make sure you understand the proper usage of transition words and phrases, and remember that words with similar meanings don’t necessarily work the same way grammatically.

Misused transition words can make your writing unclear or illogical. Your audience will be easily lost if you misrepresent the connections between your sentences and ideas.

Confused use of therefore

“Therefore” and similar cause-and-effect words are used to state that something is the result of, or follows logically from, the previous. Make sure not to use these words in a way that implies illogical connections.

• We asked participants to rate their satisfaction with their work from 1 to 10. Therefore , the average satisfaction among participants was 7.5.

The use of “therefore” in this example is illogical: it suggests that the result of 7.5 follows logically from the question being asked, when in fact many other results were possible. To fix this, we simply remove the word “therefore.”

• We asked participants to rate their satisfaction with their work from 1 to 10. The average satisfaction among participants was 7.5.

Starting a sentence with also , and , or so

While the words “also,” “and,” and “so” are used in academic writing, they are considered too informal when used at the start of a sentence.

• Also , a second round of testing was carried out.

To fix this issue, we can either move the transition word to a different point in the sentence or use a more formal alternative.

• A second round of testing was also carried out.
• Additionally , a second round of testing was carried out.

Transition words creating sentence fragments

Words like “although” and “because” are called subordinating conjunctions . This means that they introduce clauses which cannot stand on their own. A clause introduced by one of these words should always follow or be followed by another clause in the same sentence.

The second sentence in this example is a fragment, because it consists only of the “although” clause.

• Smith (2015) argues that the period should be reassessed. Although other researchers disagree.

We can fix this in two different ways. One option is to combine the two sentences into one using a comma. The other option is to use a different transition word that does not create this problem, like “however.”

• Smith (2015) argues that the period should be reassessed, although other researchers disagree.
• Smith (2015) argues that the period should be reassessed. However , other researchers disagree.

And vs. as well as

Students often use the phrase “ as well as ” in place of “and,” but its usage is slightly different. Using “and” suggests that the things you’re listing are of equal importance, while “as well as” introduces additional information that is less important.

• Chapter 1 discusses some background information on Woolf, as well as presenting my analysis of To the Lighthouse .

In this example, the analysis is more important than the background information. To fix this mistake, we can use “and,” or we can change the order of the sentence so that the most important information comes first. Note that we add a comma before “as well as” but not before “and.”

• Chapter 1 discusses some background information on Woolf and presents my analysis of To the Lighthouse .
• Chapter 1 presents my analysis of To the Lighthouse , as well as discussing some background information on Woolf.

Note that in fixed phrases like “both x and y ,” you must use “and,” not “as well as.”

• Both my results as well as my interpretations are presented below.
• Both my results and my interpretations are presented below.

Use of and/or

The combination of transition words “and/or” should generally be avoided in academic writing. It makes your text look messy and is usually unnecessary to your meaning.

First consider whether you really do mean “and/or” and not just “and” or “or.” If you are certain that you need both, it’s best to separate them to make your meaning as clear as possible.

• Participants were asked whether they used the bus and/or the train.
• Participants were asked whether they used the bus, the train, or both.

Archaic transition words

Words like “hereby,” “therewith,” and most others formed by the combination of “here,” “there,” or “where” with a preposition are typically avoided in modern academic writing. Using them makes your writing feel old-fashioned and strained and can sometimes obscure your meaning.

• Poverty is best understood as a disease. Hereby , we not only see that it is hereditary, but acknowledge its devastating effects on a person’s health.

These words should usually be replaced with a more explicit phrasing expressing how the current statement relates to the preceding one.

• Poverty is best understood as a disease. Understanding it as such , we not only see that it is hereditary, but also acknowledge its devastating effects on a person’s health.

Using a paraphrasing tool for clear writing

With the use of certain tools, you can make your writing clear. One of these tools is a paraphrasing tool . One thing the tool does is help your sentences make more sense. It has different modes where it checks how your text can be improved. For example, automatically adding transition words where needed.

If you want to know more about AI for academic writing, AI tools, or writing rules make sure to check out some of our other articles with explanations and examples or go directly to our tools!

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75 linking words for academic writing (+examples)

Linking words play an important role in academic writing: They connect different paragraphs, sections or ideas in a text. Therefore, they considerably improve the readability and argumentation of academic texts such as a thesis, dissertation, essay or journal publication. This list of 75 linking words includes examples of how they can be used in academic writing.

Linking words expressing order and sequence in academic writing

Example: First, I review the existing literature on cross-border collaboration. Second, I explain the methodology …

Example: The event increased public awareness of this issue. Afterwards, politicians debated it more openly.

Example: Before scientists discovered the role of neurons in information processing, they assumed that…

Linking words expressing additions in academic writing

Example: Additionally, the interviewee lamented a lack of attention to his work.

Example: Besides the public outreach component, we wrote a handbook to disseminate the research results in the academic community.

Example: The financial compensation was also appreciated by the study participants.

Linking words expressing cause and effect in academic writing

Example: As the number of studies increases, better conclusions can be drawn.

Example: The literature highlights the importance of age and physical fitness. Consequently, these factors will be investigated further.

Linking words expressing contrasts and comparisons in academic writing

Example: Many scholars have explored this issue. Yet, to date, no inclusive framework exists to explain…

Example: People often stated that they are aware of the rules whereas they behaved as if they did not.

Example: E qually important, however, is the role of personal beliefs in decision-making processes.

If you are looking to elevate your writing and editing skills, I highly recommend enrolling in the course “ Good with Words: Writing and Editing Specialization “, which is a 4 course series offered by the University of Michigan. This comprehensive program is conveniently available as an online course on Coursera, allowing you to learn at your own pace. Plus, upon successful completion, you’ll have the opportunity to earn a valuable certificate to showcase your newfound expertise!

Linking words expressing emphasis in academic writing

Example: Indeed, motivation turned out to be a defining factor of academic success.

Example: More importantly, the findings underscore the importance of conflict resolution.

Linking words expressing illustrations in academic writing

Example: Many interviewees were nervous. For example, when asked to describe the event, some of them started to stutter.

Linking words expressing summaries and conclusions in academic writing

Example: In conclusion, the reviewed literature highlights a clear research gap.

Example: In short, scholars call for more research on climate change mitigation.

Linking words expressing conditionality in academic writing

Example: As long as the conditions do not change, the results should remain stable.

Example: Even if more experiments are conducted, human behaviour remains hard to predict.

Linking words expressing generalisations in academic writing

Example: Commonly, this criterion is used for categorising plants.

Linking words expressing concessions in academic writing

Example: Regardless of their genetic makeup, mice showcased the same symptoms.

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• Academic writing
• Commonly confused words
• Critical thinking
• PEEL Paragraphs
• Linking/transition words
• Paraphrasing
• Proofreading
• Terms and definitions
• Action Words: What is description, application, analysis and evaluation

Linking/transition words: Things you need to know...

All assignments are written in formal language.   You need to ensure that you demonstrate your knowledge and understanding alongside your ability to answer the question/solve the problem. 

Below are some ideas to help you to develop your structure and flow.

• Linking / transition words and phrases join ideas, sentences and paragraphs together. They should be used within sentences and to move from one idea to another (between sentences).   

These words and phrases indicate the direction, order and flow of ideas. Significantly, they strengthen the quality and structure of your work.

• Redundant Words - less is more.  P articularly when trying to reduce the word count, it is important to look for phrases which can be replaced with a single word.

Linking/Transition Words

Transitions link one main idea to another separated by a semi-colon or full-stop.  When the transition word is at the beginning of the sentence, it should be followed by a comma:

Among other functions, they can signal cause and effect or sequencing (see examples in the table below).

Linking words: conjunctions

Linking words within a sentence  are referred to as coordinating conjunctions.  Do not worry about the term: think about the function.

Conciseness / redundant words

Microsoft Word now has an additional feature within the Edito r - it is called conciseness or wordiness.  

• If you cannot see the Editor menu a quick tip is to hold down the function (fn key at the bottom left of the keyboard) + F7 (top line of keys).
• From the Refinements section - select Conciseness - if there are any suggestions a number will appear in the box alongside this option
• A dotted line will appear under any groups of groups
• Either select the identified text by clicking with your right mouse button OR click on the down down next to the Conciseness menu.
• MS Word will display any alternative words which you can either select and they will be replaced in your text or reject if you want to keep the original phrases.

Examples:  try to replace phrases with a single words which mean the same.

Need to know more...

• Related pages
• External links
• Academic writing Illustrates the main features of academic writing so that you are aware of what it is and what it involves
• Critical Thinking Academic work involves thinking, not just accepting what you read or are told.
• Terms and Definitions Important words appear in your assignments and examinations. The aim of this factsheet is to help you to fully understand what they mean.

Additional resources to help you to improve your confidence and grades:-

• Writing Effectively  demonstrates the importance of: clarity, structure, relevance, argument and precision.
• Writing Mechanics  gives further examples and resources on areas including: sentence structure, vocabulary, spelling, punctuation and grammar.

Linking/Transition words - Scribbr  https://www.scribbr.co.uk/syntax/transition-words-examples/ [Accessed 10 February 2023]

There are many books concerning academic writing, look around Dewey number  808

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Academic Phrases for Writing Literature Review Section of a Research Paper

Overview |   Abstract   | Introduction | Literature Review | Materials & Methods | Results & Discussion | Conclusion & Future Work | Acknowledgements & Appendix

The literature review should clearly demonstrate that the author has a good knowledge of the research area. Literature review typically occupies one or two passages in the introduction section. A well-written literature review should provide a critical appraisal of previous studies related to the current research area rather than a simple summary of prior works. The author shouldn’t shy away from pointing out the shortcomings of previous works. However, criticising other’s work without any basis can weaken your paper. This is a perfect place to coin your research question and justify the need for such a study. It is also worth pointing out towards the end of the review that your study is unique and there is no direct literature addressing this issue. Add a few sentences about the significance of your research and how this will add value to the body of knowledge.

The literature review section of your research paper should include the following:

• Previous literature
• Limitations of previous research
• Research questions
• Research to be explored

1. Previous literature

The literature review shows that __ Previous research showed __ Seminal contributions have been made by __ A series of recent studies has indicated that __ Several theories have been proposed to __, some focusing on __, others on __ There has been numerous studies to investigate __ This has been used in several studies to assess __ Previous studies have shown __ Several studies suggest that __ This has also been explored in prior studies by __ Prior research suggests that __ Previous studies have emphasized __ The majority of prior research has applied __ Most early studies as well as current work focus on __ For instance, the following studies were conducted on __ Studies of __are well documented, it is also well acknowledged that __ A number of authors have recognized __ Some authors have also suggested that  __ Some authors have driven the further development of __ This has been discussed by a great number of authors in literature. For example, research has provided evidence for __ The authors bring some information about the background of the problem, __ As has been previously reported in the literature, __ A large number of existing studies in the broader literature have examined __ The literature review shows that __ There exists a considerable body of literature on  __ In short, the literature pertaining to __ strongly suggests that __ Over time, an extensive literature has developed on __ This section presents a review of recent literature on __ This paper begins with a short review of the literature regarding the __ Several methods are reported in the literature to address this issue. There is a wide choice of __ available in the literature. This section reviews the literature related to __ It was reported in literature that __ A recent study by __ concluded that __ In the light of reported __ it is conceivable that __ The method introduced by __ has the advantage that __ One method employed by __ is __ A more comprehensive description can be found in __ For example, recent research suggests that __ This was successfully established as described by __ The author employed a __ methodology which prescribes the use of __

2. Limitations of previous research

A number of questions regarding __ remain to be addressed. A closer look to the literature on __, however, reveals a number of gaps and shortcomings. This question has previously never been addressed because__ Most studies have relied on __ Previous studies by __ cannot be considered as conclusive because __ Previous studies have almost exclusively focused on __ This has been previously assessed only to a very limited extent because __ In the present studies __ were constrained to __ In previous studies were limited to __ Although results appear consistent with prior research, they appear inconsistent with __ These are previously unstudied because __ As far as we know, no previous research has investigated __ Moreover, although research has illuminated __ no study to date has examined __ Despite decades of research, this continues to be debated among __ This section points out some of the problems encountered in the extant research. Although there are many studies, the research in __ remains limited. However, the existing research has many problems in representing __ The literature on __ is less consistent Historically, there has been a great deal of confusion in the literature regarding __ This approach remains briefly addressed in the literature. These are rarely analyzed in the literature as __ There are key questions and notions that are still not discussed in the literature __ This is not clearly presented in the literature because __ This paper addresses the need for __, so far lacking in the scientific literature. To fill this literature gap, this paper identifies __ Only a few works in literature demonstrate __ Although studies have been conducted by many authors, this problem is still insufficiently explored. To our knowledge, no prior studies have examined __ However, the existing research has many problems in __ Therefore, important issue in the literature is __ However, we argue that previous literature suffers from certain weaknesses: __ Previous research can only be considered a first step towards a more profound understanding of __ The previous studies reveal that __ are usually the most problematic to __

3. Research questions

More specific research questions will be introduced and investigated in __ A further question is whether __ Finally, another promising line of research would be __ The study addresses several further questions on __ Some of the interesting questions in this context are __ In order to address the questions outlined above, we report here __ These questions are of central interest as much recent research in __ Furthermore, __ is arguably an important question to be addressed. The question now is how __ can be used to explain __ Study addresses the research question __ In order to properly address this question, we __ An important question associated with __ is __ A critical open question is whether __ A still unsolved question is whether __ This remains an open question as __ This question has previously never been addressed because __ This study offers a test of __ research question Study addresses the research question __ Even in general __ research strategies is needed to explain __ The researcher should be interested here in __ Many questions remain unanswered __ There are some potentially open questions about the validity of __ The question that then naturally arises is __ The question then becomes how best to define__ This was an important question to study as __

4. Research to be explored

A more systematic and theoretical analysis is required for __ As the authors note earlier, more work is necessary to__ Additional studies to understand more completely the key tenets of __ are required. The unexpected findings signal the need for additional studies to understand more about __ This paper addresses __, so far lacking in the scientific literature. A new approach is therefore needed for __ One of the tough challenges for all researchers in this domain is __

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Academic Phrases for Writing Conclusion Section of a Research Paper

In this blog, we discuss phrases related to conclusion section such as summary of results and future work.

Critical Literature Review : How to Critique a Research Article?

In this blog, we will look at how to use constructive language when critiquing other’s work in your research paper.

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Transitional Words and Phrases

One of your primary goals as a writer is to present ideas in a clear and understandable way. To help readers move through your complex ideas, you want to be intentional about how you structure your paper as a whole as well as how you form the individual paragraphs that comprise it. In order to think through the challenges of presenting your ideas articulately, logically, and in ways that seem natural to your readers, check out some of these resources: Developing a Thesis Statement , Paragraphing , and Developing Strategic Transitions: Writing that Establishes Relationships and Connections Between Ideas.

While clear writing is mostly achieved through the deliberate sequencing of your ideas across your entire paper, you can guide readers through the connections you’re making by using transitional words in individual sentences. Transitional words and phrases can create powerful links between your ideas and can help your reader understand your paper’s logic.

In what follows, we’ve included a list of frequently used transitional words and phrases that can help you establish how your various ideas relate to each other. We’ve divided these words and phrases into categories based on the common kinds of relationships writers establish between ideas.

Two recommendations: Use these transitions strategically by making sure that the word or phrase you’re choosing matches the logic of the relationship you’re emphasizing or the connection you’re making. All of these words and phrases have different meanings, nuances, and connotations, so before using a particular transitional word in your paper, be sure you understand its meaning and usage completely, and be sure that it’s the right match for your paper’s logic. Use these transitional words and phrases sparingly because if you use too many of them, your readers might feel like you are overexplaining connections that are already clear.

Categories of Transition Words and Phrases

Causation Chronology Combinations Contrast Example

Importance Location Similarity Clarification Concession

Conclusion Intensification Purpose Summary

Transitions to help establish some of the most common kinds of relationships

Causation– Connecting instigator(s) to consequence(s).

accordingly as a result and so because

consequently for that reason hence on account of

since therefore thus

Chronology– Connecting what issues in regard to when they occur.

after afterwards always at length during earlier following immediately in the meantime

later never next now once simultaneously so far sometimes

soon subsequently then this time until now when whenever while

Combinations Lists– Connecting numerous events. Part/Whole– Connecting numerous elements that make up something bigger.

additionally again also and, or, not as a result besides even more

finally first, firstly further furthermore in addition in the first place in the second place

last, lastly moreover next second, secondly, etc. too

Contrast– Connecting two things by focusing on their differences.

after all although and yet at the same time but

despite however in contrast nevertheless nonetheless notwithstanding

on the contrary on the other hand otherwise though yet

Example– Connecting a general idea to a particular instance of this idea.

as an illustration e.g., (from a Latin abbreviation for “for example”)

for example for instance specifically that is

to demonstrate to illustrate

Importance– Connecting what is critical to what is more inconsequential.

chiefly critically

foundationally most importantly

of less importance primarily

Location– Connecting elements according to where they are placed in relationship to each other.

above adjacent to below beyond

centrally here nearby neighboring on

opposite to peripherally there wherever

Similarity– Connecting to things by suggesting that they are in some way alike.

by the same token in like manner

in similar fashion here in the same way

likewise wherever

Other kinds of transitional words and phrases Clarification

i.e., (from a Latin abbreviation for “that is”) in other words

that is that is to say to clarify to explain

to put it another way to rephrase it

granted it is true

naturally of course

finally lastly

in conclusion in the end

to conclude

Intensification

in fact indeed no

of course surely to repeat

undoubtedly without doubt yes

for this purpose in order that

so that to that end

to this end

in brief in sum

in summary in short

to sum up to summarize

Improving Your Writing Style

This is an accordion element with a series of buttons that open and close related content panels.

Clear, Concise Sentences

Use the active voice

Put the action in the verb

Tidy up wordy phrases

Reduce wordy verbs

Reduce prepositional phrases

Reduce expletive constructions

Avoid using vague nouns

Avoid unneccessarily inflated words

Avoid noun strings

Connecting Ideas Through Transitions

Using Transitional Words and Phrases

The Literature Review: 5. Organizing the Literature Review

• 1. Introduction
• 2. Why Do a Literature Review?
• 3. Methods for Searching the Literature
• 4. Analysing the Literature
• 5. Organizing the Literature Review
• 6. Writing the Review

1. Organizing Principles

A literature review is a piece of discursive prose, not a list describing or summarizing one piece of literature after another. It should have a single organizing principle:

• Thematic - organize around a topic or issue
• Chronological - sections for each vital time period
• Methodological - focus on the methods used by the researchers/writers

4. Selected Online Resources

• Literature Review in Education & Behavioral Sciences This is an interactive tutorial from Adelphi University Libraries on how to conduct a literature review in education and the behavioural sciences using library databases
• Writing Literature Reviews This tutorial is from the Writing section of Monash University's Language and Learning Online site
• The Literature Review: A Few Tips on Conducting It This guide is from the Health Services Writing Centre at the University of Toronto
• Learn How to Write a Review of the Literature This guide is part of the Writer's Handbook provided by the Writing Center at the University of Wisconsin-Madison

2. Structure of the Literature Review

Although your literature review will rely heavily on the sources you read for its information, you should dictate the structure of the review. It is important that the concepts are presented in an order that makes sense of the context of your research project.

There may be clear divisions on the sets of ideas you want to discuss, in which case your structure may be fairly clear. This is an ideal situation. In most cases, there will be several different possible structures for your review.

Similarly to the structure of the research report itself, the literature review consists of:

• Introduction

Introduction - profile of the study

• Define or identify the general topic to provide the context for reviewing the literature
• Outline why the topic is important
• Identify overall trends in what has been published about the topic
• Identify conflicts in theory, methodology, evidence, and conclusions
• Identify gaps in research and scholarlship
• Explain the criteria to be used in analysing and comparing the literature
• Describe the organization of the review (the sequence)
• If necessary, state why certain literature is or is not included (scope)

Body - summative, comparative, and evaluative discussion of literature reviewed

For a thematic review:

• organize the review into paragraphs that present themes and identify trends relevant to your topic
• each paragraph should deal with a different theme - you need to synthesize several of your readings into each paragraph in such a way that there is a clear connection between the sources
• don't try to list all the materials you have identified in your literature search

From each of the section summaries:

• summarize the main agreements and disagreements in the literature
• summarize the general conclusions that have been drawn
• establish where your own research fits in the context of the existing literature

5. A Final Checklist

• Have you indicated the purpose of the review?
• Have you emphasized recent developments?
• Is there a logic to the way you organized the material?
• Does the amount of detail included on an issue relate to its importance?
• Have you been sufficiently critical of design and methodological issues?
• Have you indicated when results were conflicting or inconclusive and discussed possible reasons?
• Has your summary of the current literature contributed to the reader's understanding of the problems?

3. Tips on Structure

A common error in literature reviews is for writers to present material from one author, followed by information from another, then another.... The way in which you group authors and link ideas will help avoid this problem. To group authors who draw similar conclusions, you can use linking words such as:

• additionally

When authors disagree, linking words that indicate contrast will show how you have analysed their work. Words such as:

• on the other hand
• nonetheless

will indicate to your reader how you have analysed the material. At other times, you may want to qualify an author's work (using such words as specifically, usually, or generally ) or use an example ( thus, namely, to illustrate ). In this way you ensure that you are synthesizing the material, not just describing the work already carried out in your field.

Another major problem is that literature reviews are often written as if they stand alone, without links to the rest of the paper. There needs to be a clear relationship between the literature review and the methodology to follow.

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• Last Updated: May 9, 2024 10:36 AM
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• Academic Skills
• Reading, writing and referencing
• Writing effectively

Connecting ideas

How to connect ideas at the sentence and paragraph level in academic writing.

What is cohesion?

Cohesion refers to the way we use vocabulary and grammatical structures to make connections between the ideas within a text. It provides flow and sequence to your work and helps make your paragraphs clear for the reader.

Cohesive devices are words and expressions that show relationships between parts of text and ideas, such as cause and effect, time, addition, or comparison and contrast.

Watch the video to learn how to make your ideas link together and your narrative flow.

How can I create cohesion?

Let’s look at types of cohesive devices.

Linking words

Academic writing usually deals with complex ideas. To enable the reader to follow your thoughts, they need to be clearly and smoothly linked. To join ideas and sentences, we use a number of connecting words and phrases. For example:

Additionally, and, also, apart from this, as well (as), in addition, moreover, further, furthermore.

If, in that case, provided that, unless.

Correspondingly, equally, for the same reason, in a similar manner, in comparison, in the same way, on the one hand, similarly.

Alternatively, although, but, conversely, despite, even so, even though, however, in contrast, in spite of, instead, on the contrary, contrary to, nevertheless, nonetheless, notwithstanding, on the other hand, rather, still, though, yet, whereas, while.

Again, in fact, interestingly, indeed, it should be noted (that), more important(ly), most importantly, to repeat, (un)fortunately, unquestionably.

A further instance of this is..., an example of this is…, for example, for instance, such as, thus, as follows.

In other words, more simply, namely, simply put, to put it differently / another way, such as, that is.

A / the consequence of, because, due to, for, the effect of …, since, the result of …

Accordingly, as a result/consequence, consequently, for this reason, hence, so, therefore, thus.

Admittedly, although, clearly though, even though, however, indeed, obviously.

As a rule, for the most part, generally, in general, in most cases, normally, on the whole, usually.

First, second, third (etc), next, before, earlier, finally, following, given the above, later, meanwhile, subsequently, then, to conclude, while.

A note about presentation and style

Check a usage guide for exact rules for punctuation. Many introductory phrases have a comma after them. For example, 'therefore,' and 'in addition,'.

Referring backwards

To avoid repeating words and phrases many times, we use cohesive devices to make references to other parts of a text, such as:

• Pronouns: it, he, she, his, her, they, their
• Demonstratives: this, that, these, those
• Articles: a, the
• Adverbs: previously, subsequently

The Australian prime minister has called an early election. The date was selected to coincide with the start of the Olympic Games. This decision was based on the views of his ministerial advisors, who predicted that voter confidence in the government’s policies would be strong at this time . As previously mentioned , decisions on the timing of elections are based on predictions of voter confidence in the existing government.

In the example above:

• The date - refers back to the election date
• This decision - refers to the prime minister calling an early election
• His - refers to the Australian prime minister
• this time - refers to the start of the Olympic Games
• As previously mentioned - refers to all of the earlier information about the selection of election dates

Looking forward

We often use words and phrases to highlight new information for the reader. This helps make a smooth transition from one point to another. Such phrases include: the following, as follows, below, next, subsequently .

The following dates have been proposed for the forthcoming election: September 8, September 15 and 3 October.

The next issue to be discussed is the influence of the media on voter confidence in the government.

Connecting paragraphs

Apart from using the linking words / phrases above, showing the link between paragraphs could involve writing ‘hand-holding’ sentences. These are sentences that link back to the ideas of the previous paragraph. For instance, when outlining the positive and negative issues about a topic you could use the following:

Example (from beginning of previous paragraph):

• One of the main advantages of X is…

When you are ready to move your discussion to the negative issues, you could write one of the following as a paragraph opener:

• Having considered the positive effects of X, negative issues may now need to be taken into account…
• Despite the positive effects outlined above, negative issues also need to be considered...

It is always important to make paragraphs part of a coherent whole text; they must not remain isolated units.

Checking for paragraph links in your own work

When you are editing your next written assignment, ask yourself the following questions as you read through your work (Gillett, Hammond, & Martala, 2009):

• Does the start of my paragraph give my reader enough information about what the paragraph will be about?
• Does my paragraph add to or elaborate on a point made previously and, if so, have I made this explicit with an appropriate linking word / phrase?
• Does my paragraph introduce a completely new point or a different viewpoint to before and, if so, have I explicitly shown this with a suitable connective?
• Have I used similar connectives repeatedly? If yes, try to vary them using the above list.

Strategies to improve cohesion

• Select a piece of writing, preferably from a textbook or journal article, from your area of study.
• Choose a paragraph and underline or highlight all the different forms of cohesion used, such as using linking words, referring backwards, looking forwards or adding synonyms.
• Which forms are the most common?
• Choose a couple that you think are effective and practice using them in your own writing.
• Try to use a variety of ways to show the relationship between your ideas.

Looking for one-on-one advice?

Get tailored advice from an Academic Skills Adviser by booking an Individual appointment, or get quick feedback from one of our Academic Writing Mentors via email through our Writing advice service.

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• v.9(7); 2013 Jul

Ten Simple Rules for Writing a Literature Review

Marco pautasso.

1 Centre for Functional and Evolutionary Ecology (CEFE), CNRS, Montpellier, France

2 Centre for Biodiversity Synthesis and Analysis (CESAB), FRB, Aix-en-Provence, France

Literature reviews are in great demand in most scientific fields. Their need stems from the ever-increasing output of scientific publications [1] . For example, compared to 1991, in 2008 three, eight, and forty times more papers were indexed in Web of Science on malaria, obesity, and biodiversity, respectively [2] . Given such mountains of papers, scientists cannot be expected to examine in detail every single new paper relevant to their interests [3] . Thus, it is both advantageous and necessary to rely on regular summaries of the recent literature. Although recognition for scientists mainly comes from primary research, timely literature reviews can lead to new synthetic insights and are often widely read [4] . For such summaries to be useful, however, they need to be compiled in a professional way [5] .

When starting from scratch, reviewing the literature can require a titanic amount of work. That is why researchers who have spent their career working on a certain research issue are in a perfect position to review that literature. Some graduate schools are now offering courses in reviewing the literature, given that most research students start their project by producing an overview of what has already been done on their research issue [6] . However, it is likely that most scientists have not thought in detail about how to approach and carry out a literature review.

Reviewing the literature requires the ability to juggle multiple tasks, from finding and evaluating relevant material to synthesising information from various sources, from critical thinking to paraphrasing, evaluating, and citation skills [7] . In this contribution, I share ten simple rules I learned working on about 25 literature reviews as a PhD and postdoctoral student. Ideas and insights also come from discussions with coauthors and colleagues, as well as feedback from reviewers and editors.

Rule 1: Define a Topic and Audience

How to choose which topic to review? There are so many issues in contemporary science that you could spend a lifetime of attending conferences and reading the literature just pondering what to review. On the one hand, if you take several years to choose, several other people may have had the same idea in the meantime. On the other hand, only a well-considered topic is likely to lead to a brilliant literature review [8] . The topic must at least be:

• interesting to you (ideally, you should have come across a series of recent papers related to your line of work that call for a critical summary),
• an important aspect of the field (so that many readers will be interested in the review and there will be enough material to write it), and
• a well-defined issue (otherwise you could potentially include thousands of publications, which would make the review unhelpful).

Ideas for potential reviews may come from papers providing lists of key research questions to be answered [9] , but also from serendipitous moments during desultory reading and discussions. In addition to choosing your topic, you should also select a target audience. In many cases, the topic (e.g., web services in computational biology) will automatically define an audience (e.g., computational biologists), but that same topic may also be of interest to neighbouring fields (e.g., computer science, biology, etc.).

Rule 2: Search and Re-search the Literature

After having chosen your topic and audience, start by checking the literature and downloading relevant papers. Five pieces of advice here:

• keep track of the search items you use (so that your search can be replicated [10] ),
• keep a list of papers whose pdfs you cannot access immediately (so as to retrieve them later with alternative strategies),
• use a paper management system (e.g., Mendeley, Papers, Qiqqa, Sente),
• define early in the process some criteria for exclusion of irrelevant papers (these criteria can then be described in the review to help define its scope), and
• do not just look for research papers in the area you wish to review, but also seek previous reviews.

The chances are high that someone will already have published a literature review ( Figure 1 ), if not exactly on the issue you are planning to tackle, at least on a related topic. If there are already a few or several reviews of the literature on your issue, my advice is not to give up, but to carry on with your own literature review,

The bottom-right situation (many literature reviews but few research papers) is not just a theoretical situation; it applies, for example, to the study of the impacts of climate change on plant diseases, where there appear to be more literature reviews than research studies [33] .

• discussing in your review the approaches, limitations, and conclusions of past reviews,
• trying to find a new angle that has not been covered adequately in the previous reviews, and
• incorporating new material that has inevitably accumulated since their appearance.

When searching the literature for pertinent papers and reviews, the usual rules apply:

• be thorough,
• use different keywords and database sources (e.g., DBLP, Google Scholar, ISI Proceedings, JSTOR Search, Medline, Scopus, Web of Science), and
• look at who has cited past relevant papers and book chapters.

Rule 3: Take Notes While Reading

If you read the papers first, and only afterwards start writing the review, you will need a very good memory to remember who wrote what, and what your impressions and associations were while reading each single paper. My advice is, while reading, to start writing down interesting pieces of information, insights about how to organize the review, and thoughts on what to write. This way, by the time you have read the literature you selected, you will already have a rough draft of the review.

Of course, this draft will still need much rewriting, restructuring, and rethinking to obtain a text with a coherent argument [11] , but you will have avoided the danger posed by staring at a blank document. Be careful when taking notes to use quotation marks if you are provisionally copying verbatim from the literature. It is advisable then to reformulate such quotes with your own words in the final draft. It is important to be careful in noting the references already at this stage, so as to avoid misattributions. Using referencing software from the very beginning of your endeavour will save you time.

Rule 4: Choose the Type of Review You Wish to Write

After having taken notes while reading the literature, you will have a rough idea of the amount of material available for the review. This is probably a good time to decide whether to go for a mini- or a full review. Some journals are now favouring the publication of rather short reviews focusing on the last few years, with a limit on the number of words and citations. A mini-review is not necessarily a minor review: it may well attract more attention from busy readers, although it will inevitably simplify some issues and leave out some relevant material due to space limitations. A full review will have the advantage of more freedom to cover in detail the complexities of a particular scientific development, but may then be left in the pile of the very important papers “to be read” by readers with little time to spare for major monographs.

There is probably a continuum between mini- and full reviews. The same point applies to the dichotomy of descriptive vs. integrative reviews. While descriptive reviews focus on the methodology, findings, and interpretation of each reviewed study, integrative reviews attempt to find common ideas and concepts from the reviewed material [12] . A similar distinction exists between narrative and systematic reviews: while narrative reviews are qualitative, systematic reviews attempt to test a hypothesis based on the published evidence, which is gathered using a predefined protocol to reduce bias [13] , [14] . When systematic reviews analyse quantitative results in a quantitative way, they become meta-analyses. The choice between different review types will have to be made on a case-by-case basis, depending not just on the nature of the material found and the preferences of the target journal(s), but also on the time available to write the review and the number of coauthors [15] .

Rule 5: Keep the Review Focused, but Make It of Broad Interest

Whether your plan is to write a mini- or a full review, it is good advice to keep it focused 16 , 17 . Including material just for the sake of it can easily lead to reviews that are trying to do too many things at once. The need to keep a review focused can be problematic for interdisciplinary reviews, where the aim is to bridge the gap between fields [18] . If you are writing a review on, for example, how epidemiological approaches are used in modelling the spread of ideas, you may be inclined to include material from both parent fields, epidemiology and the study of cultural diffusion. This may be necessary to some extent, but in this case a focused review would only deal in detail with those studies at the interface between epidemiology and the spread of ideas.

While focus is an important feature of a successful review, this requirement has to be balanced with the need to make the review relevant to a broad audience. This square may be circled by discussing the wider implications of the reviewed topic for other disciplines.

Rule 6: Be Critical and Consistent

Reviewing the literature is not stamp collecting. A good review does not just summarize the literature, but discusses it critically, identifies methodological problems, and points out research gaps [19] . After having read a review of the literature, a reader should have a rough idea of:

• the major achievements in the reviewed field,
• the main areas of debate, and
• the outstanding research questions.

It is challenging to achieve a successful review on all these fronts. A solution can be to involve a set of complementary coauthors: some people are excellent at mapping what has been achieved, some others are very good at identifying dark clouds on the horizon, and some have instead a knack at predicting where solutions are going to come from. If your journal club has exactly this sort of team, then you should definitely write a review of the literature! In addition to critical thinking, a literature review needs consistency, for example in the choice of passive vs. active voice and present vs. past tense.

Rule 7: Find a Logical Structure

Like a well-baked cake, a good review has a number of telling features: it is worth the reader's time, timely, systematic, well written, focused, and critical. It also needs a good structure. With reviews, the usual subdivision of research papers into introduction, methods, results, and discussion does not work or is rarely used. However, a general introduction of the context and, toward the end, a recapitulation of the main points covered and take-home messages make sense also in the case of reviews. For systematic reviews, there is a trend towards including information about how the literature was searched (database, keywords, time limits) [20] .

How can you organize the flow of the main body of the review so that the reader will be drawn into and guided through it? It is generally helpful to draw a conceptual scheme of the review, e.g., with mind-mapping techniques. Such diagrams can help recognize a logical way to order and link the various sections of a review [21] . This is the case not just at the writing stage, but also for readers if the diagram is included in the review as a figure. A careful selection of diagrams and figures relevant to the reviewed topic can be very helpful to structure the text too [22] .

Rule 8: Make Use of Feedback

Reviews of the literature are normally peer-reviewed in the same way as research papers, and rightly so [23] . As a rule, incorporating feedback from reviewers greatly helps improve a review draft. Having read the review with a fresh mind, reviewers may spot inaccuracies, inconsistencies, and ambiguities that had not been noticed by the writers due to rereading the typescript too many times. It is however advisable to reread the draft one more time before submission, as a last-minute correction of typos, leaps, and muddled sentences may enable the reviewers to focus on providing advice on the content rather than the form.

Feedback is vital to writing a good review, and should be sought from a variety of colleagues, so as to obtain a diversity of views on the draft. This may lead in some cases to conflicting views on the merits of the paper, and on how to improve it, but such a situation is better than the absence of feedback. A diversity of feedback perspectives on a literature review can help identify where the consensus view stands in the landscape of the current scientific understanding of an issue [24] .

Rule 9: Include Your Own Relevant Research, but Be Objective

In many cases, reviewers of the literature will have published studies relevant to the review they are writing. This could create a conflict of interest: how can reviewers report objectively on their own work [25] ? Some scientists may be overly enthusiastic about what they have published, and thus risk giving too much importance to their own findings in the review. However, bias could also occur in the other direction: some scientists may be unduly dismissive of their own achievements, so that they will tend to downplay their contribution (if any) to a field when reviewing it.

In general, a review of the literature should neither be a public relations brochure nor an exercise in competitive self-denial. If a reviewer is up to the job of producing a well-organized and methodical review, which flows well and provides a service to the readership, then it should be possible to be objective in reviewing one's own relevant findings. In reviews written by multiple authors, this may be achieved by assigning the review of the results of a coauthor to different coauthors.

Rule 10: Be Up-to-Date, but Do Not Forget Older Studies

Given the progressive acceleration in the publication of scientific papers, today's reviews of the literature need awareness not just of the overall direction and achievements of a field of inquiry, but also of the latest studies, so as not to become out-of-date before they have been published. Ideally, a literature review should not identify as a major research gap an issue that has just been addressed in a series of papers in press (the same applies, of course, to older, overlooked studies (“sleeping beauties” [26] )). This implies that literature reviewers would do well to keep an eye on electronic lists of papers in press, given that it can take months before these appear in scientific databases. Some reviews declare that they have scanned the literature up to a certain point in time, but given that peer review can be a rather lengthy process, a full search for newly appeared literature at the revision stage may be worthwhile. Assessing the contribution of papers that have just appeared is particularly challenging, because there is little perspective with which to gauge their significance and impact on further research and society.

Inevitably, new papers on the reviewed topic (including independently written literature reviews) will appear from all quarters after the review has been published, so that there may soon be the need for an updated review. But this is the nature of science [27] – [32] . I wish everybody good luck with writing a review of the literature.

Acknowledgments

Many thanks to M. Barbosa, K. Dehnen-Schmutz, T. Döring, D. Fontaneto, M. Garbelotto, O. Holdenrieder, M. Jeger, D. Lonsdale, A. MacLeod, P. Mills, M. Moslonka-Lefebvre, G. Stancanelli, P. Weisberg, and X. Xu for insights and discussions, and to P. Bourne, T. Matoni, and D. Smith for helpful comments on a previous draft.

Funding Statement

This work was funded by the French Foundation for Research on Biodiversity (FRB) through its Centre for Synthesis and Analysis of Biodiversity data (CESAB), as part of the NETSEED research project. The funders had no role in the preparation of the manuscript.

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Writing a Literature Review

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A literature review is a document or section of a document that collects key sources on a topic and discusses those sources in conversation with each other (also called synthesis ). The lit review is an important genre in many disciplines, not just literature (i.e., the study of works of literature such as novels and plays). When we say “literature review” or refer to “the literature,” we are talking about the research ( scholarship ) in a given field. You will often see the terms “the research,” “the scholarship,” and “the literature” used mostly interchangeably.

Where, when, and why would I write a lit review?

There are a number of different situations where you might write a literature review, each with slightly different expectations; different disciplines, too, have field-specific expectations for what a literature review is and does. For instance, in the humanities, authors might include more overt argumentation and interpretation of source material in their literature reviews, whereas in the sciences, authors are more likely to report study designs and results in their literature reviews; these differences reflect these disciplines’ purposes and conventions in scholarship. You should always look at examples from your own discipline and talk to professors or mentors in your field to be sure you understand your discipline’s conventions, for literature reviews as well as for any other genre.

A literature review can be a part of a research paper or scholarly article, usually falling after the introduction and before the research methods sections. In these cases, the lit review just needs to cover scholarship that is important to the issue you are writing about; sometimes it will also cover key sources that informed your research methodology.

Lit reviews can also be standalone pieces, either as assignments in a class or as publications. In a class, a lit review may be assigned to help students familiarize themselves with a topic and with scholarship in their field, get an idea of the other researchers working on the topic they’re interested in, find gaps in existing research in order to propose new projects, and/or develop a theoretical framework and methodology for later research. As a publication, a lit review usually is meant to help make other scholars’ lives easier by collecting and summarizing, synthesizing, and analyzing existing research on a topic. This can be especially helpful for students or scholars getting into a new research area, or for directing an entire community of scholars toward questions that have not yet been answered.

What are the parts of a lit review?

Most lit reviews use a basic introduction-body-conclusion structure; if your lit review is part of a larger paper, the introduction and conclusion pieces may be just a few sentences while you focus most of your attention on the body. If your lit review is a standalone piece, the introduction and conclusion take up more space and give you a place to discuss your goals, research methods, and conclusions separately from where you discuss the literature itself.

Introduction:

• An introductory paragraph that explains what your working topic and thesis is
• A forecast of key topics or texts that will appear in the review
• Potentially, a description of how you found sources and how you analyzed them for inclusion and discussion in the review (more often found in published, standalone literature reviews than in lit review sections in an article or research paper)
• Summarize and synthesize: Give an overview of the main points of each source and combine them into a coherent whole
• Analyze and interpret: Don’t just paraphrase other researchers – add your own interpretations where possible, discussing the significance of findings in relation to the literature as a whole
• Critically Evaluate: Mention the strengths and weaknesses of your sources
• Write in well-structured paragraphs: Use transition words and topic sentence to draw connections, comparisons, and contrasts.

Conclusion:

• Summarize the key findings you have taken from the literature and emphasize their significance
• Connect it back to your primary research question

How should I organize my lit review?

Lit reviews can take many different organizational patterns depending on what you are trying to accomplish with the review. Here are some examples:

• Chronological : The simplest approach is to trace the development of the topic over time, which helps familiarize the audience with the topic (for instance if you are introducing something that is not commonly known in your field). If you choose this strategy, be careful to avoid simply listing and summarizing sources in order. Try to analyze the patterns, turning points, and key debates that have shaped the direction of the field. Give your interpretation of how and why certain developments occurred (as mentioned previously, this may not be appropriate in your discipline — check with a teacher or mentor if you’re unsure).
• Thematic : If you have found some recurring central themes that you will continue working with throughout your piece, you can organize your literature review into subsections that address different aspects of the topic. For example, if you are reviewing literature about women and religion, key themes can include the role of women in churches and the religious attitude towards women.
• Qualitative versus quantitative research
• Empirical versus theoretical scholarship
• Divide the research by sociological, historical, or cultural sources
• Theoretical : In many humanities articles, the literature review is the foundation for the theoretical framework. You can use it to discuss various theories, models, and definitions of key concepts. You can argue for the relevance of a specific theoretical approach or combine various theorical concepts to create a framework for your research.

What are some strategies or tips I can use while writing my lit review?

Any lit review is only as good as the research it discusses; make sure your sources are well-chosen and your research is thorough. Don’t be afraid to do more research if you discover a new thread as you’re writing. More info on the research process is available in our "Conducting Research" resources .

As you’re doing your research, create an annotated bibliography ( see our page on the this type of document ). Much of the information used in an annotated bibliography can be used also in a literature review, so you’ll be not only partially drafting your lit review as you research, but also developing your sense of the larger conversation going on among scholars, professionals, and any other stakeholders in your topic.

Usually you will need to synthesize research rather than just summarizing it. This means drawing connections between sources to create a picture of the scholarly conversation on a topic over time. Many student writers struggle to synthesize because they feel they don’t have anything to add to the scholars they are citing; here are some strategies to help you:

• It often helps to remember that the point of these kinds of syntheses is to show your readers how you understand your research, to help them read the rest of your paper.
• Writing teachers often say synthesis is like hosting a dinner party: imagine all your sources are together in a room, discussing your topic. What are they saying to each other?
• Look at the in-text citations in each paragraph. Are you citing just one source for each paragraph? This usually indicates summary only. When you have multiple sources cited in a paragraph, you are more likely to be synthesizing them (not always, but often
• Read more about synthesis here.

The most interesting literature reviews are often written as arguments (again, as mentioned at the beginning of the page, this is discipline-specific and doesn’t work for all situations). Often, the literature review is where you can establish your research as filling a particular gap or as relevant in a particular way. You have some chance to do this in your introduction in an article, but the literature review section gives a more extended opportunity to establish the conversation in the way you would like your readers to see it. You can choose the intellectual lineage you would like to be part of and whose definitions matter most to your thinking (mostly humanities-specific, but this goes for sciences as well). In addressing these points, you argue for your place in the conversation, which tends to make the lit review more compelling than a simple reporting of other sources.

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Building a Strong Literature Review: Words and Phrases to Include

• backlinkworks
• Writing Articles & Reviews
• December 27, 2023

A literature review is an essential part of any academic paper or research project. IT provides a comprehensive overview of the existing literature on a specific topic, identifies gaps in the current knowledge, and sets the context for the research to be conducted. Building a strong literature review requires careful selection of words and phrases to ensure that IT is well-structured, informative, and persuasive. In this article, we will discuss the words and phrases that are crucial for building a strong literature review.

Words and Phrases to Include in a Literature Review

1. “According to” – This phrase is commonly used to introduce evidence from scholarly sources. For example, “According to Smith (2016), the impact of climate change on biodiversity is a pressing concern.”

2. “ IT has been argued that” – This phrase is useful for presenting different viewpoints on a topic. For example, “ IT has been argued that technological advancements have both positive and negative effects on societal well-being.”

3. “Previous research has shown” – This phrase is effective for referencing existing studies that are relevant to the research topic. For example, “Previous research has shown a strong correlation between smoking and lung cancer.”

4. “A significant body of literature” – This phrase is used to indicate the volume and depth of existing research on a particular topic. For example, “A significant body of literature exists on the psychological impact of social media use.”

5. “In line with previous studies” – This phrase is used to establish continuity with existing research findings. For example, “In line with previous studies, our results indicate a positive association between exercise and mental health.”

6. “Key findings suggest” – This phrase is useful for summarizing the main conclusions of the literature review. For example, “Key findings suggest that mindfulness meditation can improve attention and cognitive performance.”

7. “ IT is evident that” – This phrase is used to emphasize the clarity or strength of evidence supporting a particular argument. For example, “ IT is evident that socioeconomic status has a profound impact on educational outcomes.”

8. “This is consistent with the findings of” – This phrase is used to demonstrate the alignment of the current research with existing literature. For example, “This is consistent with the findings of prior studies that have highlighted the importance of early childhood education.”

9. “Existing literature has identified” – This phrase is useful for highlighting specific issues or phenomena that have been documented in prior research. For example, “Existing literature has identified a range of factors that influence consumer purchasing behavior.”

10. “This study builds upon previous research by” – This phrase is used to emphasize the novelty or contribution of the current research. For example, “This study builds upon previous research by examining the long-term effects of climate change on coastal ecosystems.”

A strong literature review is essential for providing a solid foundation for any research endeavor. By incorporating the words and phrases discussed in this article, researchers can effectively convey the relevance, scope, and depth of the existing literature on their chosen topic. Careful selection and deployment of these words and phrases can enhance the clarity, coherence, and persuasiveness of the literature review, ultimately contributing to the overall strength and quality of the research project.

What is the purpose of a literature review?

A literature review serves several purposes, including providing an overview of existing research on a specific topic, identifying gaps in the current knowledge, and setting the context for a new research study. IT also helps to demonstrate the researcher’s familiarity with and understanding of the relevant literature in their field.

How do I structure a literature review?

A literature review typically follows a structured format, including an introduction, the body of the review (organized by themes or topics), and a conclusion. IT should present a coherent and logical argument, synthesizing and critically analyzing the existing literature on the chosen topic.

What are some common mistakes to avoid in a literature review?

Common mistakes in a literature review include focusing too much on summarizing individual studies without providing critical analysis, failing to clearly articulate the relevance of the literature to the research topic, and not including a sufficient variety of sources to support the argument being made. IT is also important to avoid presenting personal opinions without backing them up with evidence from the literature.

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How to write a dissertation literature review

(Last updated: 11 November 2021)

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Are you tired of hearing the phrase 'literature review' every five minutes at university and having no idea what it means, let alone where to start? Not to worry - we've got you covered with this step-by-step guide to creating a great dissertation literature review.

What is a literature review?

In short, a dissertation literature review provides a critical assessment of the sources (literature) you have gathered and read surrounding your subject area, and then identifies a “gap” in that literature that your research will attempt to address.

There are a lot of misunderstandings about what exactly a dissertation literature review entails, as it can vary. Whilst in some cases a dissertation literature review can be a simple summary of important sources, most often it requires you to critically engage with the text to convey your positive or negative opinions of it. What is your interpretation of a particular source? Does this interpretation differ considerably from other viewpoints in the literature? This is the sort of critical engagement expected from you in a literature review.

Whereas a summary will most likely provide a simple recap of the general arguments of the source(s), the expectations concerning a literature review extend beyond this. A literature review may provide a new perspective on a classic research paper or it may combine both new and old interpretations (this is the “gap” – more on this later). A literature review may also provide a thorough and critical outline of the intellectual developments in a field with a focus on major, and often polemical, debates. In other scenarios, a literature review may also provide an assessment of a source and inform a reader about its validity, pertinence and relevance to the research subject.

"In a literature review, you're aiming to summarise and provide a critical analysis of the research arguments you have found in your readings, without making new contributions to the literature. Hence the term: “literature review ”."

There tends to be confusion between literature reviews and academic papers in general, but they are not one and the same. Generally, academic papers aim to provide new research material about a particular subject, and a literature review features as part of this objective. In a research paper, the literature review forms the basis of the research – it helps to highlight any research gaps as support for a new argument or insights you intend to provide. In a literature review, you're aiming to summarise and provide a critical analysis of the research arguments you have found in your readings, without making new contributions to the literature. Hence the term: “literature review ”.

Is a literature review really necessary?

Now that we know what a literature review is, the next step is to understand the point of writing one in the first place. Like it or not, a literature review is an essential part of any academic piece of writing, as it demonstrates to your tutor or reader that you have a nuanced understanding of the sources concerning your research area or question.

Although it may seem arbitrary, the literature review helps to persuade the person reading and marking your assignment that what you have written about is relevant and your arguments are justified and worthwhile. So, in short, a literature review is essential, and you need to put the necessary time into getting it right.

How do you write a dissertation literature review?

As the next section of this blog is quite lengthy, we've broken it down into several key steps which should make it easier to follow when writing your own dissertation literature review. You start by identifying your sources, then you read and re-read them. Next, you think about any gaps in the research or literature you have used, and finally, you write your review using all the preparation and information gathered in the steps prior.

Identify sources

To write a good dissertation literature review, you need to have a fair idea of what sources you would like to review. If you haven’t been given a formal reference list by your tutor, refer back to the techniques we recommended earlier.

Make sure that your sources are balanced; include enough books and academic journals and any useful published work from reputable scholars. To help you choose your sources appropriately, you might want to think about the parameters and objectives of your research. What are you hoping to find out? In your literature review , what theoretical issues or perspectives do you aim to tackle? How about your methodology? Will you focus on mainly qualitative or quantitative studies, or a mixture of both? These general questions should help guide you in selecting your sources and again, remember that the abstract of a source is a very useful tool. Having a quick scan of the abstract and its ‘keywords’ will often give you an indication of the whether the source will be useful for your research or not.

As you’re identifying your sources, ensure you a keep a list as it’s very easy to lose focus given the wide scope of the Internet. Reference tools such as Mendeley allow you to store your sources online and via a desktop app, and are a great way to keep your bibliography organised. The citation tools attached to these programmes will also allow you to simply export citations in a format of your choice when required later. They will save you countless hours trying to figure out how to use Harvard or APA referencing correctly.

Read your sources

Now that you have organised your sources efficiently, it’s time to read through them. As unnatural as it may feel, it’s most effective to read in a few stages, as detailed below:

First, go through all the texts to get a sense of their general content and arguments. This will also help you judge which sources you mainly want to focus on in your review. During the second stage of your reading, you can then take a more critical, in-depth look at your sources. Make a lot of notes, be critical, ask questions. What is your academic opinion on the text? Do you have any comments on the methodological approach, the theoretical argument or the general hypothesis? Note these down. It will ensure that your literature review is not merely a summary of your readings, and will encourage a clear line of argument so that your work is logical and coherent.

Consider gaps in the research

When writing a dissertation literature review, an essential thing to consider is identifying the research gap. Identifying the gap is particularly important if your review forms part of a research proposal, as it will highlight the pertinence of your research – assuming that your research has been designed to fill this gap. In other instances, identifying the gap is an indication of good critical analysis and can score you extra points.

To identify the “gap” it is important that we know what this “gap” is. A research gap is essentially the existence of a research question, perspective or problem that has not been answered in the existing literature on any field of study. Identifying the research gap is important for highlighting the originality of your research; it proves you’re not simply recounting or regurgitating existing research. It also shows that you are very much aware of the status of the literature in your chosen field of study, which in turn, demonstrates the amount of research and effort you have put into your review.

Many students, especially at post-graduate level, find it extremely difficult to identify research gaps in their subject area. For post-graduate research papers, identifying research gaps and formulating research questions that can address these gaps form the very essence of a research paper. Identifying research gaps does not have to be a difficult endeavour and there are several ways to overcome this difficulty:

Start by reading A simple approach will be to read important parts of key articles in your research area. First, note that you’ll have to sift through many articles to identify the ones that are most suitable for your research. A quick search using keywords on Google Scholar will often give you a quick overview of the available literature. Other useful sources include databases such as JSTOR or Wiley Online Library . You can then snowball additional articles by clicking on ‘related articles’ or checking out which other papers have cited your source.

Abstracts and recommendations Whichever avenue you choose, reading the abstract is often a good starting point to get a sense of what the articles entails. You should also do a quick examination of the introductory and concluding paragraphs of the paper as these sections always provide some information on the aims and outcomes of the research, as well as ‘recommendations for future studies.’ These recommendations typically provide some insight on the research gaps in the literature. Another route would be to simply read as much as you can on your research subject while considering which research areas still need addressing in the literature – this is usually an indication of research gaps.

Write your review

Now you’re well prepared to start putting fingers to keyboard. Consider the following pointers:

1. Use sample literature reviews Have a look at sample dissertation literature reviews in your subject area and read them thoroughly to familiarise yourself with existing key debates and themes. This can be a good starting point for framing and structuring your own review. If you are not familiar with academic writing, going through samples will help you to get a sense of what is expected in this regard. Pay attention to the academic language and formal style used. Also, remember that the bibliography or reference section of your selected texts will help you to snowball further references if you need any.

2. Keep it simple Keep your topic as narrowed down as possible. Remember that there are hundreds – or in some instances, thousands – of sources or perspectives concerning any subject area or topic. Researchers investigate research problems in many divergent ways and the literature available on any given subject is extremely broad. In your literature review, you won’t be expected to address every argument or perspective concerning your topic – this might actually undermine your ability to write a coherent and focused piece. You’ll make your work easier if you limit the scope of your work. In your review, ensure that you clearly state what the focus of your work will be.

3. Make sure your sources are as current as possible If you are reviewing scientific work, it’s essential your sources are as current as possible given the advancements in the field over the years. In the medical field particularly, research is constantly evolving and a source that’s only three years old may be even out-dated. In the social sciences this rule may not apply, as many theoretical works are classics and you will be expected to be familiar with these perspectives. You might have to the review the work of Marx, or Hobbes, or any other classic scholar. You still need to balance theory with current approaches, as you will need to demonstrate the ways in which perspectives in the literature have changed over the years, or you may even want to demonstrate how scholars have used classic theories to inform their work.

4. Consider the organisation of your work In a dissertation literature review, organising your work goes beyond having an introduction, body and conclusion. You’ll be reviewing a number of texts, so you’ll also have to think clearly about how to organise themes, topics and your argument in general. Below is a detailed guide on how to do this:

Like any other academic paper, a dissertation literature review will comprise a basic introduction, body, and conclusion.

The introduction of a literature review should be clear, short and focused. It should outline the focus of the review – in other words, it should clearly state the main topics to be covered. A good literature review will also state the arguments to be made, as well as underlying rationale that underpins these arguments.

The body of your literature review will include an in-depth discussion of the academic sources you have chosen to review. You may choose to organise your sources according to themes, methodology or even based on a chronological order. In the body of your review, ensure that your arguments are presented clearly and that you link these arguments with the literature. Is there a scholar that agrees with your view? Say so, in a way that the reader will understand easily. This demonstrates that you are very familiar with the academic research in your field. Remember to also make note of any views that do not agree with your position; excluding these arguments will reduce the methodological robustness of your piece. You can use direct quotations in your literature review, however do so sparingly so you don’t appear lazy. Most tutors will not approach it kindly; the purpose of a literature review is to demonstrate your ability to critically engage with a piece of text, and littering your review with direct quotes isn’t a good indication of this. Instead, try to paraphrase quotations and only use direct quotes if it really helps to illustrate your argument.

In the summary of your dissertation literature review, it’s important to give a summary of the conclusions you’ve drawn from your readings. If your literature review forms part of a broader research proposal, reiterate the gaps in the literature here, and clearly state how your proposed research will fill these gaps. Make recommendations for future research in this section too, which demonstrates your analytical skills and will score you some extra points.

You now have the basic structure of your research in place, however it’s worth dedicating some time to what the body of your work should entail. The body is the main core of your work, so it’s important to consider how you will frame and organise it. You have options here – you can choose to organise the content of your work based on a chronological method, based on themes, trends or methodology, or based on arguments.

To structure the body of work chronologically, you will have to organise your sources based on when they were published. A limitation of this approach is that it inhibits continuity in your arguments and in some instances, can undermine the coherence of your work. Use with caution.

A more coherent way of organising your work is to group your sources based on the arguments they make in a ‘for versus against’ manner. This enables you to present your work in a more dynamic way and what’s more, makes the key debates in the literature more obvious. Say you were trying to convey the debates on European migration policy, you might want to start by writing something along these lines:

"While scholars such as X argue that migration policies must be made more stringent to counteract the increased flow of Syrian refugees to Europe, other scholars such as Y offer a divergent perspective. They specifically espouse a perspective based on a human rights approach…"

This approach also leaves room for you to insert your voice into the literature. Consider this statement:

"While X argues for the enactment of more stringent migration policies, this paper argues along the lines of Y that migration policies should be based on human rights considerations."

Using this technique also allows you to introduce additional literature that supports your position.

Another way of organising your content is according to theme; or sub-themes, if your review focuses on one overarching topic. This method of organisation still allows you to present an overview of any polemical debates within these sub-themes. A thematic review can easily shift between chronological periods within each sub-section too.

Structuring work using a methodological approach is quite a common approach, however it’s often used in tandem with other ways of organising sources. This method is particularly evident in introductory sections whereby researchers may simply want to state that a particular subject has been mostly studied from a qualitative or quantitative perspective (they will often then cite a number of scholars or studies to support this claim). In scientific reviews however, a methodological approach may form the basis of the discussions in the body. If this is the case for you, focus on the methods used by various researchers. How did they go about answering a particular research question? Were there any limitations to this method? If so, what method(s) would have been better?

You’ll soon realise that organising the body of your literature review is an iterative process and you’ll more often than not use all of these approaches in your write-up. The body of your research may also include additional sections that do not necessarily form a part of its organisational structure. For instance, you might want to include a ‘context section’ that provides some insight on any background detail required for understanding the focus of the literature review. It may also focus on historical considerations. You could include a short methodology section that details the approach you used in selecting and analysing your sources.

5. Write the paragraphs of the body Once you have settled on the approach to writing your body, you must now write each of its paragraphs in a way that is in keeping with academic conventions. Consider this paragraph from a literature review about stakeholder participation for environmental management, to clarify the discussion that follows:

As the example above suggests, a dissertation literature review must be written using a formal and academic style . Also, note how sources have been grouped according to both arguments and themes. Remember we noted that the process of grouping sources in the body of your literature review is never a linear one? You will often use a combination of the approaches that we have discussed. Ensure that your writing is concise, coherent and devoid of any personal or strong language. Avoid any phrases like, “I hate X’s work”; a more academic way of stating your disagreement would be to simply state: “I would argue against X’s position that…”, or “X’s argument is inconsistent with the evidence because...”, or “X’s arguments are based on false assumptions because...”.

In the sample paragraph above, notice the use of words like “argue” – this is a good academic alternative to more commonplace words such as “says”. Other good alternatives include “states”, “asserts”, “proposes” or “claims”. More academic options include “opine”, “posit”, “postulate”, or “promulgate”, however some tutors and readers find these words to be too ‘heavy’ and archaic, so ensure that you are familiar with the writing standards in your institution.

If your writing is tailored to a peer-reviewed journal, it’s worth having a look at articles within that journal to get a sense of the writing style. Most tutors will provide a guideline on writing styles, and it’s important you adhere to this brief. You will often be required to also use the third person when writing a literature review, thus phrases such as “this paper argues” or “this paper is of the view that…” are appropriate.

There are exceptions at post-graduate level or generally – like when you have conducted your own primary research or published your work widely – which give you the academic authority to boldly make claims. In cases like these, the use of first person is suitable and you may use phrases such as “I argue” or “I propose”.

Remember also to generally use present tense when referring to opinions and theories (although in the context of specific research experiments, the use of the past tense is better).

Beyond the use of the academic terms suggested above, ‘linking’ words are also particularly important when writing a literature review, since you’ll be grouping a lot of writers together with either similar or divergent opinions. Useful linking words and phrases include: similarly, there are parallels, in convergence with…

When there is disagreement, you may want to use any of the following: However, conversely, on the other hand, diverges from, antithetical to, differential from…

6. Write the conclusion The conclusion of a dissertation literature review should always include a summary of the implications of the literature, which you should then link to your argument or general research question.

Some final notes

The overall structure of your literature review will be largely based on your research area and the academic conventions that are in line with it. Nevertheless, there are some essential steps that apply across all disciplines and that you should ensure you follow:

Do not simply describe the opinions of writers Analyse, analyse, analyse, and ensure that your analysis is critical (what have the writers missed; where does your opinion sit with theirs, etc.).

Structure the body of your argument using various techniques Your structure should be organised based on thematic areas, key debates or controversial issues, and according to methodological approaches. Keep your review dynamic, but coherent. Remember to identify literature gaps and link this to your own research.

Use ample evidence This is extremely important and forms the very essence of a dissertation literature review. You must refer to various sources when making a point; see the sample paragraph above for an example of this. Your arguments and interpretation of a research topic must be backed by evidence. Do not make baseless claims, as a literature review is an academic piece of writing and not an opinion piece.

Be very selective Not every piece of research has to be reviewed. If you are determined to show that you aware of the available literature out there, try writing techniques such as: There is robust literature available concerning the migration patterns of Syrian refugees. Notable works include: X(2015), y (2013), Z (2014). Once you have acknowledged these works, you do not have to review them in detail. Be selective about the sources that you will discuss in detail in your review.

Do not rely too much on direct quotes Only use them to emphasise a point. Similarly, don’t rely too heavily on the work of a single author. Instead, highlight the importance of that author in your research and move on. If you need to keep going back to the work of that author, then you need to link those discussions with your work. Do not simply provide a summary of the author’s work. In what ways does your work agree or disagree with his/hers? Be critical.

Make your voice heard Yes, the whole point of the literature review is to provide a critical analysis and summary of the viewpoints out there, but a critical analysis does include the fact that you need to make your opinion known in the context of the literature. Note how skilfully, in the earlier sample paragraph by Reed (2008), he weaves his opinions with references. Read back over the sample and try to perfect this skill.

Ensure that you reference your work correctly And make sure you use the appropriate referencing style. For more help on this, click here .

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Academic Phrasebank

Referring to sources.

• GENERAL LANGUAGE FUNCTIONS
• Being cautious
• Being critical
• Classifying and listing
• Compare and contrast
• Defining terms
• Describing trends
• Describing quantities
• Explaining causality
• Giving examples
• Signalling transition
• Writing about the past

One of the distinguishing features of academic writing is that it is informed by what is already known, what work has been done before, and/or what ideas and models have already been developed. Thus, in academic texts, writers frequently make reference to other studies and to the work of other authors. It is important that writers guide their readers through this literature. This section of  Academic Phrasebank  lists some of the phrases that writers may use for this purpose.

A note on the literature review: It is the purpose of the literature review section of a paper or dissertation to show the reader, in a systematic way, what is already known about the research topic as a whole, and to outline the key ideas and theories that help us to understand this. As well as being systematic, the review should be evaluative and critical of the studies or ideas which are relevant to the current work. For example, you may think a particular study did not investigate some important aspect of the area you are researching, that the author(s) failed to notice a weakness in their methods, or that their conclusion is not well-supported (refer to  Being Critical ).

A note on referencing style: The way a writer refers to other sources varies somewhat across different disciplines. In some cases, where the individual author is important, the author’s name will be the main subject of the sentence; in other cases, the author’s name may only be mentioned in brackets ( … ) or via a number notation system (e.g. footnotes and endnotes). The ‘author as subject’ style is less common in the empirical disciplines (sciences) and more commonly used in the humanities. Different referencing systems are used in different disciplines. In the majority of the examples given here, the Harvard in-text referencing system has been used.

A note on verb tenses: For general reference to the literature, the present perfect tense (have/has + verb participle) tends to be used. For reference to specific studies carried out in the past, the simple past tense is most commonly used. This is normally the case where a specific date or point in time in the past forms a part of the sentence. When referring to the words or ideas of writers, the present tense is often used if the ideas are still relevant, even if the author is no longer alive. The examples given below reflect these general patterns, but these are by no means rigid.

General comments on the relevant literature

The literature on X has highlighted several … Different theories exist in the literature regarding … More recent attention has focused on the provision of … There are relatively few historical studies in the area of … A large and growing body of literature has investigated … Much of the literature since the mid-1990s emphasises the … Much of the current literature on X pays particular attention to … There is a large volume of published studies describing the role of … The existing literature on X is extensive and focuses particularly on … There is a relatively small body of literature that is concerned with … The generalisability of much published research on this issue is problematic. A considerable amount of literature has been published on X. These studies … The academic literature on X has revealed the emergence of several contrasting themes. Previous research findings into X have been inconsistent and contradictory (Smith, 1996; …).

Previous research: a historical perspective

Research into X has a long history. For many years, this phenomenon was surprisingly neglected by … Only in the past ten years have studies of X directly addressed how … Prior to the work of Smith (1983), the role of X was largely unknown. Over the past decade, most research in X has emphasized the use of … In recent years, there has been an increasing amount of literature on … Early examples of research into X include … (Smith, 1962; Jones, 1974). During the past 30 years, much more information has become available on … The first serious discussions and analyses of X emerged during the 1970s with … Over the past two decades, major advances in molecular biology have allowed … Historically, research investigating the factors associated with X has focused on … It is only since the work of Smith (2001) that the study of X has gained momentum. The construct of X was first articulated by Smith (1977) and popularised in his book: … Around the early 1960s, small-scale research and case studies began to emerge linking … It was not until the late 1960s that historians considered X worthy of scholarly attention. Awareness of X is not recent, having possibly first been described in the 5th century BCE by …

Previous research: methodological approaches taken

Most research on X has been carried out in … Most researchers investigating X have utilised … Using this approach, researchers have been able to … Several systematic reviews of X have been undertaken. The vast majority of studies on X have been quantitative. What we know about X is largely based on observational studies. There are a number of large cross-sectional studies which suggest … Much of the previous research on X has been exploratory in nature. Much of the X research has focused on identifying and evaluating the … What we know about X is largely based upon empirical studies that investigate … Publications that concentrate on X more frequently adopt a historical or chronological approach …

Previous research: area investigated

To date, several studies have investigated … A number of studies have begun to examine … Various studies have assessed the efficacy of … Researchers attempted to evaluate the impact of … A great deal of previous research into X has focused on … Several studies have used longitudinal data to examine … Previous studies have explored the relationships between X and Y. Twenty cohort study analyses have examined the relationship between … A number of authors have considered the effects of … (Smith, 2003; Jones, 2004). At least 120 case-control studies worldwide have examined the relationship between … Numerous studies have attempted to explain … (for example, Smith, 1996; Jones, 1998; …).

Previous research: what has been established or proposed

Several lines of evidence suggest that … Previous research has established that … Data from several studies suggest that … Recent evidence suggests that … (Smith, 2020; …). It is now well established from a variety of studies that … New findings amongst X provides further evidence that …

A number of studies have postulated a convergence between … Recently, considerable evidence has accumulated to show that … Surveys such as that conducted by Smith (2015) have shown that … Many recent studies (e.g. Smith, 2019; Jones, 2020) have shown that … Traditionally, it has been argued that … (e.g. Smith, 1960; Jones, 1972). Several biographies of Brown have been published. Smith (2016) presents …

In previous studies on X, different variables have been found to be related to … Many historians have argued that … (e.g. Jones, 1997; Brown, 1999; Smith, 2019). There is a consensus among social scientists that … (e.g. Smith, 2019; Jones, 2020; … Data from several sources have identified the increased X and Y associated with obesity. Recently, in vitro studies have shown that X can … (Smith et al. , 2018; Jones et al. , 2021). It has been demonstrated that a high intake of X results in damage to … (Smith, 2015; …).

Stating what is currently known about the topic

X increases when … (Smith, 2015) X is able to affect Y (Smith, 2015; Jones, 2020). X is positively related to Y (Smith, 2015; Jones, 2020). X is proportional to Y as expressed by the… (Smith, 2015). X is one of the most important … (Smith, 2015; Jones, 2020). X is one of the most intense reactions following Y (Jones, 2020). A relationship exists between X and Y (Smith, 2015; Jones, 2020). X is a principal determining factor of Y (Smith, 2015; Jones, 2020). There is an unambiguous relationship between X and Y (Smith, 2015). X is significantly reduced during the first months of … (Smith, 2015; Jones, 2020). X has been found to oppose the anti-inflammatory actions of Y on Z (Smith, 2020).

Reference to a previous investigation: researcher prominent

Smith’s comparative study (2017) found that … Jones’s comprehensive review concluded that … Brown’s (1998) model of X assumes three main … Smith’s cross-country analysis (2017) showed that … Jones’s (2010) review of the literature concluded that … Brown’s (2022) recent analysis of X provides a strong critique of …

Reference to a previous investigation: time prominent

In 1959, a seminal article was published entitled … Following this period, Smith actively searched for X. In the 1950s, Smith pointed to some of the ways in which … Thirty years later, Smith (1974) reported three cases of X which … Almost 20 years ago, Jones (1995) formulated his X theory, centred around …

Reference to a previous investigation: investigation prominent

One longitudinal study found that … A seminal study in this area is the work of … One study by Smith (2014) examined the trend in … A recent study by Smith and Jones (2012) involved … A qualitative study by Smith (2003) described how … A recent systematic literature review concluded that … Preliminary work on X was undertaken by Jones (1992). A longitudinal study of X by Smith (2012) reports that … A key study comparing X and Y is that of Smith (2010), in which … The first systematic study of X was reported by Smith  et al.  in 1986. Detailed examination of X by Smith and Jones (1961) showed that … Analysis of the genes involved in X was first carried out by Smith  et al.  (1983). A significant analysis and discussion on the subject was presented by Smith (1988). The study of the structural behaviour of X was first carried out by Jones  et al.  (1986). A small scale study by Smith (2015) reached different conclusions, finding no increase in … The study by Jones (1990) offers probably the most comprehensive empirical analysis of …

Reference to a previous investigation: topic prominent

To determine the effects of X, Jones  et al . (2005) compared … X was originally isolated from Y in a soil sample from … (Jones  et al. , 1952). The electronic spectroscopy of X was first studied by Smith and Jones in 1970. X formed the central focus of a study by Smith (2002) in which the author found … To better understand the mechanisms of X and its effects, Jones (2013) analysed the … X was first demonstrated experimentally by Pavlov (Smith, 2002). In his seminal study … The acid-catalyzed condensation reaction between X and Y was first reported by Smith in 1872. The way in which X is regulated was studied extensively by Smith and colleagues (Smith  et al.  1995 and 1998).

Reference to what other writers do in their published work

In Chapter 2, Smith provides us with a number of important … In the subsequent chapter, Smith examines the extent to which … By drawing on the concept of X, Smith has been able to show that … Some analysts (e.g. Smith, 2015) have attempted to draw fine distinctions between … Drawing on an extensive range of sources, the authors set out the different ways in which … Other authors (see Smith, 2010; Jones, 2014) question the usefulness of such an approach.  

Reference to another writer's idea or position

As noted by Smith (2003) X is far more cost effective, and therefore … According to Smith (2003), preventative medicine is far more cost effective, and therefore … 

Synthesising material: supporting evidence or ideas

Similarly, Jones (2015) found that X … This is consistent with the data obtained by … Smith (1995) makes a similar point in his study of X … In the same vein, Smith (1995) in his book XYZ notes This view is supported by Jones (2015) who writes that Along the same lines, Smith (1995) subsequently argued that … Smith argues that her data support Jones’s (1995) view that Jones’s (1986) work on X is complemented by Smith’s (2009) study of Almost every paper that has been written on X includes a section relating to A broadly similar point has also recently been made by Johnson (2019), who …

Synthesising material: contrasting evidence or ideas

Other writers have argued that … Other studies have concluded that … Unlike Smith, Jones (2013) argues that In contrast to Smith, Jones (2013) argues that Smith (2010) presents an X account, whilst Jones (2011) While Smith (2008) focuses on X, Jones (2009) is more concerned with A broader perspective has been adopted by Smith (213) who argues that Contrary to previously published studies, Jones et al. demonstrated the efficacy of… This result conflicts with Smith’s (1965) previously mentioned study which found that … Conversely, Smith (2010) reported no significant difference in mortality between X and Y.

Some ways of introducing quotations

Commenting on X, Smith (2003) argues: ‘… …’ As Smith (2004: 215) states: ‘there are many good reasons to be sceptical’. As Smith argues: ‘In the past, the purpose of education was to …’ (Smith, 2000:150). In the final part of the  Theses on Feuerbach , Marx writes: ‘Philosophers have hitherto only …’ Smith concludes: ‘The idea of development stands today like a ruin in …’ (Smith, 1992: 156).

Summarising the review or parts of the review

Together, these studies indicate that … Overall, these studies highlight the need for … Considering all of this evidence, it seems that … Collectively, these studies outline a critical role for… In all the studies reviewed here, X is recognised as … The evidence presented in this section suggests that … The studies presented thus far provide evidence that … Taken together, these studies support the notion that … Overall, there seems to be some evidence to indicate that … Together these studies provide important insights into the … All of the studies reviewed here support the hypothesis that … Two important themes emerge from the studies discussed so far: However, such studies remain narrow in focus dealing only with … The evidence reviewed here seems to suggest a pertinent role for … These studies clearly indicate that there is a relationship between … In view of all that has been mentioned so far, one may suppose that … There remain several aspects of X about which relatively little is known.

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Researching and writing for Economics students

4 literature review and citations/references.

Figure 4.1: Literature reviews and references

Your may have done a literature survey as part of your proposal. This will be incorporated into your dissertation, not left as separate stand-alone. Most economics papers include a literature review section, which may be a separate section, or incorporated into the paper’s introduction. (See organising for a standard format.)

Some disambiguation:

A ‘Literature survey’ paper: Some academic papers are called ‘literature surveys’. These try to summarise and discuss the existing work that has been done on a particular topic, and can be very useful. See, for example, works in The Journal of Economic Perspectives, the Journal of Economic Literature, the “Handbook of [XXX] Economics”

Many student projects and undergraduate dissertations are mainly literature surveys.

4.1 What is the point of a literature survey?

Your literature review should explain:

what has been done already to address your topic and related questions, putting your work in perspective, and

what techniques others have used, what are their strengths and weaknesses, and how might they be relevant tools for your own analysis.

Figure 4.2: Take notes on this as you read, and write them up.

4.2 What previous work is relevant?

Focus on literature that is relevant to your topic only.

But do not focus only on articles about your exact topic ! For example, if your paper is about the relative price of cars in the UK, you might cite papers (i) about the global automobile market, (ii) about the theory and evidence on competition in markets with similar features and (iii) using econometric techniques such as “hedonic regression” to estimate “price premia” in other markets and in other countries.

Consider: If you were Colchester a doctor and wanted to know whether a medicine would be effective for your patients, would you only consider medical studies that ran tests on Colchester residents, or would you consider more general national and international investigations?

4.3 What are “good” economics journal articles?

You should aim to read and cite peer-reviewed articles in reputable economics journals. (Journals in other fields such as Finance, Marketing and Political Science may also be useful.) These papers have a certain credibility as they have been checked by several referees and one or more editors before being published. (In fact, the publication process in Economics is extremely lengthy and difficult.)

Which journals are “reputable”? Economists spend a lot of time thinking about how to rank and compare journals (there are so many papers written about this topic that they someone could start a “Journal of Ranking Economics Journals”. For example, “ REPEC ” has one ranking, and SCIMAGO/SCOPUS has another one. You may want to focus on journals ranked in the top 100 or top 200 of these rankings. If you find it very interesting and relevant paper published somewhere that is ranked below this, is okay to cite it, but you may want to be a bit more skeptical of its findings.

Any journal you find on JSTOR is respectable, and if you look in the back of your textbooks, there will be references to articles in journals, most of which are decent.

You may also find unpublished “working papers”; these may also be useful as references. However, it is more difficult to evaluate the credibility of these, as they have not been through a process of peer review. However, if the author has published well and has a good reputation, it might be more likely that these are worth reading and citing.

Unpublished “working papers”

You may also find unpublished “working papers” or ‘mimeos’; these may also be useful as references. In fact, the publication process in Economics is so slow (six years from first working paper to publication is not uncommon) that not consulting working papers often means not being current.

However, it is more difficult to evaluate the credibility of this ‘grey literature’, as they have not been through a process of peer review. However, if the author has published well and has a good reputation, it might be more likely that these are worth reading and citing. Some working paper series are vetted, such as NBER; in terms of credibility, these might be seen as something in between a working paper and a publication.

Which of the following are “peer-reviewed articles in reputable economics journals”? Which of the following may be appropriate to cite in your literature review and in your final project? 8

Klein, G, J. (2011) “Cartel Destabilization and Leniency Programs – Empirical Evidence.” ZEW - Centre for European Economic Research Discussion Paper No. 10-107

Spencer, B. and Brander, J.A. (1983) “International R&D Rivalry and Industrial Strategy”, Review of Economic Studies Vol. 50, 707-722

Troisi, Jordan D., Andrew N. Christopher, and Pam Marek. “Materialism and money spending disposition as predictors of economic and personality variables.” North American Journal of Psychology 8.3 (2006): 421.

The Economist,. ‘Good, Bad And Ugly’. Web. 11 Apr. 2015. [accessed on…]

Mecaj, Arjola, and María Isabel González Bravo. “CSR Actions and Financial Distress: Do Firms Change Their CSR Behavior When Signals of Financial Distress Are Identified?.” Modern Economy 2014 (2014).

Universities, U. K. “Creating Prosperity: the role of higher education in driving the UK’s creative economy.” London Universities UK (2010).

4.4 How to find and access articles

You should be able to find and access all the relevant articles online. Leafing through bound volumes and photocopying should not be neededs. (Having been a student in the late 90’s and 2000’s, I wish I could get those hours back.)

Figure 4.3: The old way!

Good online tools include Jstor (jstor.org) and Google Scholar (scholar.google.co.uk). Your university should have access to Jstor, and Google is accessible to all (although the linked articles may require special access). You will usually have the ‘most access’ when logged into your university or library computing system.If you cannot access a paper, you may want to consult a reference librarian.

It is also ok, if you cannot access the journal article itself, to use the last working paper version (on Google scholar find this in the tab that says “all X versions”, where X is some number, and look for a PDF). However, authors do not always put up the most polished versions, although they should do to promote open-access. As a very last resort, you can e-mail the author and ask him or her to send you the paper.

When looking for references, try to find ones published in respected refereed economics journals (see above ).

4.5 Good starting points: Survey article, course notes, and textbooks

A “survey article” is a good place to start; this is a paper that is largely a categorization and discussion of previous work on a particular topic. You can often find such papers in journals such as

• the Journal of Economic Perspectives,
• the Journal of Economic Surveys,
• and the Journal of Economic Literature.

These will be useful as a “catalog” of papers to read and considers citing. They are also typically very readable and offer a decent introduction to the issue or the field.

It is also helpful to consult module (course) notes and syllabi from the relevant field. Do not only limit yourself to the ones at your own university; many of universities make their course materials publicly accessible online. These will not only typically contain reading lists with well-respected and useful references, they may also contain slides and other material that will help you better understand your topic and the relevant issues.

However, be careful not to take material from course notes without properly citing it. (Better yet, try to find the original paper that the course notes are referring to.)

Textbooks serve as another extremely useful jumping off point. Look through your own textbooks and other textbooks in the right fields. Textbooks draw from, and cite a range of relevant articles and papers. (You may also want to go back to textbooks when you are finding the articles you are reading too difficult. Textbooks may present a simpler version of the material presented in an article, and explain the concepts better.)

4.6 Backwards and forwards with references

When you find a useful paper, look for its “family.” You may want to go back to earlier, more fundamental references, by looking at the articles that this paper cited. See what is listed as “keywords” (these are usually given at the top of the paper), and “JEL codes”. Check what papers this paper cites, and check what other papers cited this paper. On Google scholar you can follow this with a link “Cited by…” below the listed article. “Related articles” is also a useful link.

4.7 Citations

Keep track of all references and citations

You may find it helpful to use software to help you manage your citations

A storage “database” of citations (e.g., Jabref, Zotero, Endnote, Mendeley); these interface well with Google Scholar and Jstor

An automatic “insert citation” and “insert bibliography” in your word processing software

Use a tool like Endnote to manage and insert the bibliographies, or use a bibliography manager software such as Zotero or Jabref,

Further discussion: Citation management tools

List of works cited

Put your list of references in alphabetical order by author’s last name (surname).

Include all articles and works that you cite in your paper; do not include any that you don’t cite.

Avoiding plagiarism and academic offenses**

Here is a definition of plagiarism

The main point is that you need to cite everything that is not your own work. Furthermore, be clear to distinguish what is your own work and your own language and what is from somewhere/someone else.

Why cite? Not just to give credit to others but to make it clear that the remaining uncited content is your own.

Here are some basic rules:

(Rephrased from University of Essex material, as seen in Department of Economics, EC100 Economics for Business Handbook 2017-18, https://www1.essex.ac.uk/economics/documents/EC100-Booklet_2017.pdf accessed on 20 July 2019, pp. 15-16)

Do not submit anything that is not your own work.

Never copy from friends.

Do not copy your own work or previously submitted work. (Caveat: If you are submitting a draft or a ‘literature review and project plan’ at an earlier stage, this can be incorporated into your final submission.

Don’t copy text directly into your work, unless:

• you put all passages in quotation marks: beginning with ’ and ending with ’, or clearly offset from the main text
• you cite the source of this text.

It is not sufficient merely to add a citation for the source of copied material following the copied material (typically the end of a paragraph). You must include the copied material in quotation marks. … Ignorance … is no defence.’ (ibid, pp. 15 )

(‘Ibid’ means ‘same as the previous citation’.)

Your university may use sophisticated plagiarism-detection software. Markers may also report if the paper looks suspect

Before final submission, they may ask you to go over your draft and sign that you understand the contents and you have demonstrated that the work is your own.

Not being in touch with your supervisor may put you under suspicion.

Your university may give a Viva Voce oral exam if your work is under suspicion. It is a cool-sounding word but probably something you want to avoid.

Your university may store your work in its our database, and can pursue disciplinary action, even after you have graduated.

Penalties may be severe, including failure with no opportunity to retake the module (course). You may even risk your degree!

Comprehension questions; answers in footnotes

True or false: “If you do not directly quote a paper you do not need to cite it” 9

You should read and cite a paper (choose all that are correct)… 10

• If it motivates ‘why your question is interesting’ and how it can be modeled economically
• Only if it asks the same question as your paper
• Only if it is dealing with the same country/industry/etc as you are addressing
• If it has any connection to your topic, question, or related matters
• If it answers a similar question as your paper
• If it uses and discusses techniques that inform those you are using

4.8 How to write about previous authors’ analysis and findings

Use the right terminology.

“Johnson et al. (2000) provide an analytical framework that sheds substantial doubt on that belief. When trying to obtain a correlation between institutional efficiency and wealth per capita, they are left with largely inconclusive results.”

They are not trying to “obtain a correlation”; they are trying to measure the relationship and test hypotheses.

“Findings”: Critically examine sources

Don’t take everything that is in print (or written online) as gospel truth. Be skeptical and carefully evaluate the arguments and evidence presented. Try to really survey what has been written, to consider the range of opinions and the preponderance of the evidence. You also need to be careful to distinguish between “real research” and propaganda or press releases.

The returns to higher education in Atlantis are extremely high. For the majority of Atlanian students a university degree has increased their lifetime income by over 50%, as reported in the “Benefits of Higher Education” report put out by the Association of Atlantian Universities (2016).

But don’t be harsh without explanation:

Smith (2014) found a return to education in Atlantis exceeding 50%. This result is unlikely to be true because the study was not a very good one.

“Findings:” “They Proved”

A theoretical economic model can not really prove anything about the real world; they typically rely on strong simplifying assumptions.

Through their economic model, they prove that as long as elites have incentives to invest in de facto power, through lobbying or corruption for example, they will invest as much as possible in order to gain favourable conditions in the future for their businesses.

In their two period model, which assumes \[details of key assumptions here\] , they find that when an elite Agent has an incentive to invest in de facto power, he invests a strictly positive amount, up to the point where marginal benefit equals marginal cost”

Empirical work does not “prove” anything (nor does it claim to).

It relies on statistical inference under specific assumptions, and an intuitive sense that evidence from one situation is likely to apply to other situations.

“As Smith et al (1999) proved using data from the 1910-1920 Scandanavian stock exchange, equity prices always increase in response to reductions in corporate tax rates.”

“Smith et al (199) estimated a VAR regression for a dynamic CAP model using data from the 1910-1920 Scandanavian stock exchange. They found a strongly statistically significant negative coefficient on corporate tax rates. This suggests that such taxes may have a negative effect on publicly traded securities. However, as their data was from a limited period with several simultaneous changes in policy, and their results are not robust to \[something here\] , further evidence is needed on this question.”

Use the language of classical 11 statistics:

Hypothesis testing, statistical significance, robustness checks, magnitudes of effects, confidence intervals.

Note that generalisation outside the data depends on an intuitive sense that evidence from one situation is likely to apply to other situations.

“Findings”: How do you (or the cited paper) claim to identify a causal relationship?

This policy was explained by Smith and Johnson (2002) in their research on subsidies and redistribution in higher education. Their results showed that people with higher degree have higher salaries and so pay higher taxes. Thus subsidizing higher education leads to a large social gain.

The results the student discusses seem to show an association between higher degrees and higher salaries. The student seems to imply that the education itself led to higher salaries. This has not been shown by the cited paper. Perhaps people who were able to get into higher education would earn higher salaries anyway. There are ways economists used to try to identify a “causal effect” (by the way, this widely used term is redundant as all effects must have a cause), but a mere association between two variables is not enough

As inflation was systematically lower during periods of recession, we see that too low a level of inflation increases unemployment.

Economists have long debated the nature of this “Phillips curve” relationship. There is much work trying to determine whether the association (to the extent it exists) is a causal one. We could not rule out reverse causality, or third factor that might cause changes in both variables.

4.9 …Stating empirical results

Don’t write: “I accept the null hypothesis.”

Do write: “The results fail to reject the null hypothesis, in spite of a large sample size and an estimate with small standard errors” (if this is the case)

Note: The question of what to infer from acceptance/rejection of null hypotheses is a complex difficult one in Classical (as opposed to Bayesian) statistics. This difficulty is in part philosophical: classical hypothesis testing is deductive , while inference is necessarily inductive.

4.10 What to report

You need to read this paper more clearly; it is not clear what they conclude nor what their evidence is.

4.11 Organising your literature review

A common marking comment:

These papers seem to be discussed in random order – you need some structure organising these papers thematically, by finding, by technique, or chronologically perhaps.

How should you organise it? In what order?

Thematically (usually better)

By method, by theoretical framework, by results or assumptions, by field

Chronologically (perhaps within themes)

Exercise: Compare how the literature review section is organized in papers you are reading.

Figure 4.4: Organising a set of references

Q: What sort of structure am I using in the above outline?

It may also be helpful to make a ‘table’ of the relevant literature, as in the figure below. This will help you get a sense of the methods and results, and how the papers relate, and how to assess the evidence. You may end up putting this in the actual paper.

Figure 4.5: Organisational table from Reinstein and Riener, 2012b

4.12 What if you have trouble reading and understanding a paper?

Consult a survey paper, textbook, or lecture notes that discuss this paper and this topic

Try to find an easier related paper

Ask your supervisor for help; if he or she can

Try to understand what you can; do not try to “fake it”

4.13 Some literature survey do’s and don’ts

Do not cite irrelevant literature.

Do not merely list all the papers you could find.

Discuss them, and their relevance to your paper.

What are their strengths and weaknesses? What techniques do they use, and what assumptions do they rely on? How do they relate to each other?

Use correct citation formats.

Try to find original sources (don’t just cite a web link).

Don’t just cut and paste from other sources. And make sure to attribute every source and every quote. Be clear: which part of your paper is your own work and what is cited from others? The penalties for plagiarism can be severe!

• Critically examine the sources, arguments, and methods

4.14 Comprehension questions: literature review

How to discuss empirical results: “Causal” estimation, e.g., with Instrumental Variables

Which is the best way to state it? 12

“As I prove in table 2, more lawyers lead to slower growth (as demonstrated by the regression analysis evidence).”

“Table 2 provides evidence that a high share of lawyers in a city’s population leads to slower growth.”

3.“Table 2 shows that a high share of lawyers in a city’s population is correlated with slower growth.”

Which is better? 13

• “However, when a set of observable determinants of city growth (such as Census Region growth) are accounted for, the estimate of this effect becomes less precise.”
• “In the correct regression I control for all determinants of city growth and find that there is no effect of lawyers on growth”

Stating empirical results: descriptive

“Using the US data from 1850-1950, I find that inflation is lower during periods of recession. This is statistically significant in a t-test [or whatever test] at the 99% level, and the difference is economically meaningful. This is consistent with the theory of …, which predicts that lower inflation increases unemployment. However, other explanations are possible, including reverse causality, and unmeasured covarying lags and trends.”

“I find a significantly lower level of inflation during periods of recession, and the difference is economically meaningful. This relationship is statistically significant and the data is accurately measured. Thus I find that inflation increases unemployment.”

Some tips on writing a good paper– relevant to literature reviews

• Answer the question
• Provide clear structure and signposting
• Demonstrate an ability for critical analysis
• Refer to your sources
• Produce a coherent, clear argument
• Take time to proofread for style and expresssion
• Source “Assignment Writing Skills EBS 3rd year 2012”"

Answer: only b is a ‘peer reviewed article in a reputable economics journal’. All of these might be useful to cite, however. ↩

False. You need to cite any content and ideas that are not your own. ↩

Answers: 1, 5, and 6. Note that 2 and 3 are too narrow criteria, and 4 is too broad. ↩

or Bayesian if you like ↩

The second one; if this is really causal evidence. ↩

The first one. There is no ‘correct regression’. It is also not really correct in classical statistics to ‘find no effect’. ↩

50 linking words to use in academic writing

It’s very common for students to use long words they don’t understand very well in their essays and theses because they have a certain idea of what academic writing should be. Many students believe that academic writing is wordy and convoluted, and uses a lot of jargon. This leads many students to fall into a trap of imagining that the longer the word, the more impressive and intelligent their writing will seem.

We often see long sentences and multisyllabic words where shorter sentences and simpler words would do. Some students even use Microsoft Word’s thesaurus function to replace a common word with a more complicated word. This is a risky move, because unless you’re very careful, the new word may not carry quite the same meaning as the original, even if it’s similar.

The result can range from funny to confusing, which defeats the purpose of academic writing: to be as clear and concise as possible, using just the right words to convey your argument. Using uncommon words, instead of making your paper seem smarter, generally detracts from your ideas.

To avoid this, using linking or transition words that signpost your arguments can help to clarify your views and show the reader what to expect from certain paragraphs or sentences. These words give structure to the whole, helping you to organise your ideas and assist the reader in understanding them.

We have prepared some flashcards containing linking words you can use in academic writing.

CLICK HERE to download these FREE flashcards

Below is a handy list of words that are both useful and appropriate to academic language.

Describing similarities

Correspondingly

Not only… but also

In the same way

Showing cause and effect

Consequently

As a result

Hence (never ‘hence why’)

Since (try to avoid ‘as’ when showing cause and effect)

Accordingly

This suggests that

It follows that

For this reason

Comparing and contrasting

Alternatively

On the other hand

On the contrary

Showing limitation or contradiction

Despite/in spite of

While (not whilst!)

Nevertheless

Nonetheless

Emphasis, addition or examples

To illustrate

Further (not ‘furthermore’)

First, second and third (not firstly, secondly and thirdly)

For instance

In addition

To summarise

It can be concluded that

As can be seen

Given the above

As described

The best way to get better at writing academic language is to read academic writing. You’ll pick up all sorts of useful tips from published papers in your area of study.

Updated 31 January 2023 Ellen McRae, PhD, AE (IPEd), MNZSTI Senior Managing Editor

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Help linking ideas for a literature review together

February 19, 2023

What are linking words for a literature review?

additionally; also; moreover; furthermore; again; further; then; besides; too; similarly; correspondingly; indeed; regarding .  

How do you link findings to a literature review?

Relate your findings to the findings of those previous studies and indicate where your findings aligned and where they did not align . Offer possible explanations as to why your findings corroborated or contradicted the findings of previous studies. If your findings are novel, mention and expand on that.

How do you relate literature review with your research topic?

Conducting a literature review establishes your familiarity with and understanding of current research in a particular field before carrying out a new investigation . After doing a literature review, you should know what research has already been done and be able to identify what is unknown within your topic.  

How do you assemble a literature review?

Literature Review: Conducting & Writing

• Choose a topic. Define your research question.
• Decide on the scope of your review.
• Select the databases you will use to conduct your searches.
• Conduct your searches and find the literature. Keep track of your searches!
• Review the literature.

What are 5 linking words?

Linking Words & Phrases In English

• Linking Clauses Within A Sentence.
• Although/even though.
• In spite of/despite.

What are good linking words?

Additionally, and, also, apart from this, as well (as), in addition, moreover, further, furthermore. If, in that case, provided that, unless. Correspondingly, equally, for the same reason, in a similar manner, in comparison, in the same way, on the one hand, similarly.

Why is it important to link literature review to research questions?

The literature review is important because: • It describes how the proposed research is related to prior research in statistics . It shows the originality and relevance of your research problem. Specifically, your research is different from other statisticians. It justifies your proposed methodology.

What is the link between literature review and research questions?

A good literature review will result in a series of logically connected arguments that support the research question . The need to make arguments in relation to the literature, not just review existing literature, results in a different approach to writing.  

What are five interrelated steps in conducting a literature review?

There are five key steps to writing a literature review:

• Search for relevant literature.
• Evaluate sources.
• Identify themes, debates, and gaps.
• Outline the structure.
• Write your literature review.

What is linking words and examples?

A linking word is a word which shows a connection between clauses or sentences . ‘However’ and ‘so’ are linking words.

How do you identify keywords for a literature review?

It is important to find all the relevant keywords for the topic to ensure the search is comprehensive by identifying:

• different spellings, tenses and word variants of keywords.
• related concepts.
• names of people or authors associated with these ideas.

How do you write keywords in a literature review?

Keyword search

• Identify the keywords or the main concepts of your research topic.
• Think of similar terms (synonyms) or phrases that might also be used to describe these concepts, to ensure that you do not miss out any relevant information.
• Combine your search terms in a way that a database can understand.

Related posts

Linking words

Linking words show the relationships between ideas. Linking words serve different functions, such as to compare ideas or to give examples, and can go at the start or in the middle of a sentence. Check a dictionary like the Cambridge Dictionary to see examples of how to use a particular linking word.

The following table shows some common linking words and example sentences:

See the Word and PDF documents below for a downloadable version of the common linking words.

• Linking words [Word - 94KB]
• Linking words [PDF - 110KB]

Further resources

• Manchester Academic Phrasebank A bank of useful phrases for academic writing

Pathfinder link

Still have questions? Do you want to talk to an expert? Peer Learning Advisors or Academic Skills and Language Advisors  are available.

Australian Bureau of Statistics. (2018). Migrant. In Glossary . https://www.abs.gov.au/AUSSTATS/[email protected]/Lookup/3415.0Glossary12017?OpenDocument  Used under CC BY 4.0 license

Australian Bureau of Statistics. (2021). Migration, Australia .  https://www.abs.gov.au/statistics/people/population/migration-australia/latest-release Used under CC BY 4.0 license

World Health Organization. (2021).  2021 Global conference on health and climate change .  https://www.who.int/news-room/events/detail/2021/11/06/default-calendar/2021-global-conference-on-health-and-climate-change  Used under  CC BY-NC-SA 3.0 IGO  license

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