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A roadmap for writing a literature review in a master’s thesis: Examples and guidelines

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

writing a literature review is an essential part of any master’s thesis. IT involves critically evaluating and synthesizing existing research to provide a comprehensive overview of the current state of knowledge in a particular field. A well-written literature review demonstrates your understanding of the scholarly conversation surrounding your research topic and helps to contextualize your own work within the broader academic landscape.

1. Understand the purpose of a literature review

Before you begin writing your literature review, IT ‘s important to understand its purpose. A literature review serves several key functions, including:

• Providing a comprehensive overview of existing research in your field.
• Critically evaluating the strengths and weaknesses of previous studies.
• Identifying gaps in the literature and highlighting areas for future research.
• Contextualizing your own research within the broader academic discourse.

By clearly understanding the purpose of your literature review, you can ensure that your writing is focused and relevant to your thesis.

2. Conduct a comprehensive literature search

Once you have a clear understanding of the purpose of your literature review, the next step is to conduct a comprehensive search for relevant academic sources. This involves searching for peer-reviewed journal articles, books, conference proceedings, and other scholarly publications related to your research topic.

IT ‘s important to use a variety of search strategies, including keyword searches, citation tracking, and database searches, to ensure that you are capturing all relevant literature. Additionally, consider using citation management software to organize and manage your references.

For example, if your master’s thesis is about the impact of social media on mental health, you would want to search for literature that examines the relationship between social media use and psychological well-being. This might include studies on social media usage patterns, the prevalence of mental health issues among social media users, and the potential benefits and drawbacks of social media use.

3. Analyze and synthesize the literature

Once you have gathered a comprehensive collection of literature related to your research topic, the next step is to analyze and synthesize the information. This involves critically evaluating the strengths and weaknesses of each study, identifying key themes and patterns across the literature, and synthesizing the findings into a coherent narrative.

When analyzing and synthesizing the literature, consider the following questions:

• What are the main findings and arguments of each source?
• What are the strengths and weaknesses of each study?
• What key themes and patterns emerge across the literature?

Using the example of the impact of social media on mental health, you might identify several key themes that emerge across the literature, such as the relationship between social media use and depression, the role of cyberbullying in affecting mental well-being, and the potential benefits of online peer support networks.

4. Write the literature review

With a clear understanding of the purpose of your literature review, a comprehensive collection of relevant literature, and a synthesized analysis of the existing research, you are now ready to write your literature review. When writing your literature review, consider the following guidelines:

• Provide a clear and comprehensive overview of the existing literature in your field.
• Critically evaluate and synthesize the key findings and arguments of each source.
• Organize the literature thematically or chronologically to highlight key patterns and developments in the research.
• Keep the focus on how each source relates to your research topic and thesis.

Continuing with the example of the impact of social media on mental health, your literature review might be organized into sections that correspond to the key themes you identified during your analysis. Each section could summarize and evaluate the existing literature on a specific aspect of the relationship between social media use and mental well-being, providing a clear overview of the current state of knowledge in the field.

5. Conclusion

Overall, writing a literature review for your master’s thesis involves understanding the purpose of the literature review, conducting a comprehensive literature search, analyzing and synthesizing the literature, and writing a well-organized and critical review of the existing research. By following these guidelines and examples, you can ensure that your literature review effectively contextualizes your own research within the broader academic discourse.

Q: How long should a literature review be?

A: The length of a literature review can vary depending on the requirements of your master’s thesis and the depth and breadth of the existing literature. In general, a literature review for a master’s thesis is typically around 3000-5000 words, but this can vary based on the specific expectations of your program or advisor.

Q: How many sources should I include in my literature review?

A: The number of sources you include in your literature review will depend on the scope of your research topic and the expectations of your program or advisor. In general, a literature review for a master’s thesis should include a comprehensive collection of relevant sources, typically ranging from 20-50 academic articles, books, and other scholarly publications.

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How to Write a Complete Literature Review for Your Thesis/Dissertation

A literature review critically evaluates and synthesizes existing research and scholarly publications on a specific topic or research question. Its goal is to provide a comprehensive understanding of the current state of knowledge on the topic, identify gaps in the literature, and highlight areas for future research. A well-conducted literature review is an essential component of research because it helps to establish the research context, justify the need for the study, and guide the development of research questions or hypotheses.

The literature review of your thesis/dissertation is a very significant part of your paper. It provides readers with an understanding of previously published research in relation to your topic. It also highlights where your research fits into the existing literature. In other words, it provides valuable context for your readers about the field as a whole and the specific topic you have chosen to cover in your thesis/dissertation.

Literature reviews: An overview

A literature review does not only summarize what has been written about a topic already: it also offers a critical analysis of the existing literature.

Literature reviews can take different forms depending on what type of research you are doing and what your field of research is about. Literature reviews are a key part of the majority of academic articles or theses, and can even be written as articles all on their own. A literature review does not only summarize what has been written about a topic already: it also offers a critical analysis of the existing literature. In other words, you, the author, offer your analysis or critique on what has been written already. A literature review, however, should not just be a description of what has been written or a set of summaries.

The idea of reviewing and analyzing all the research that has been done on a topic can sound overwhelming; however, the task is easier than it sounds. This is also a vital step in performing the work necessary to write a good thesis. As you prepare and write your literature review, you will select and filter which sources are relevant to your work and which are not. As you review the literature, you will develop a clear understanding of the work that has come before you. This will enable you to write about it in such a way that you clearly demonstrate how you arrived at your own thesis statement or hypothesis.

A literature review can be quite short (5% of a paper) or quite long (30% of a paper) depending on the type of paper. For a thesis/dissertation, a literature review may be a full chapter, and is usually at least 10-20% of your paper.

Types of literature reviews

There are different types of literature reviews and the type you choose will be determined by the topic you are researching. Four common types of literature reviews are summarized below, but there are also other types that may be preferable depending on your thesis topic. 

Chronological

This type of literature review organizes sources and their ideas by the date of publication. For example, if you are writing about chronic Lyme disease, you would start with articles describing and identifying Lyme disease (1970s), then describe initial treatments and discoveries (1980s), increased prevalence of Lyme disease and rise of people with chronic Lyme disease (2000s), and finally discuss the current controversies and treatments (2010s).

This type is often used in social science papers such as political science or public policy. They focus on specific trends in a field and can still include a chronological component. For example, you could write about changes in approaches to early childhood education by discussing the rise and fall in popularity of public preschool, highlighting relevant case studies, and presenting arguments that there is no need for schooling so early. This is often used to highlight competing schools of thought in a field.

Methodological

This focuses less on what is said in different sources and more on how previous research has been performed. For example, a methodological review of the treatment of chronic Lyme disease might reveal that previous studies which relied solely on laboratory tests dismissed persistent Lyme symptoms as “all in the patients’ heads,” while studies that focused on interviewing patients as well as doctors classified the disease as an unidentified syndrome. Methodological studies can highlight how approaches to research have changed over time and how the approaches used in research influence the results.

Theoretical

Theoretical literature reviews are often found in fields like philosophy or humanities, but are also prevalent in social sciences. They review existing theories and their relationships, as well as what has been tested and what has not. This kind of review is quite useful in demonstrating where existing theories fall short in describing a particular phenomenon in the field.

Structuring your literature review

A literature review is usually a chapter in your thesis/dissertation and as such generally includes an introduction, main body, and conclusion. The introduction will explain:

• The type of literature review you have performed
• Why you have chosen to perform that type of literature review
• Your criteria for selecting sources

Your main body will be the actual literature review, which we will discuss further in the next section. In your conclusion, you will summarize the major arguments that you have highlighted in your literature review and center your own research among them. The conclusion of the literature review should explain why your research study is necessary (what gap in the literature it fulfils) to lead smoothly into your next thesis chapter.

How do I review the literature?

An easy way to find relevant sources is to look at the citations of papers you find that are on the topic you want to research.

Before you write a literature review, you need to:

• Become familiar with the literature
• Select which sources are relevant to your thesis topic
• Organize your sources
• Choose the type of literature review you will write
• Arrange your notes to reflect the type of literature review

How do you become familiar with the literature?

If you aren’t sure where to start, try going to Google Scholar and typing in some keywords about your topic. For example, if you’re researching chronic Lyme disease, you could type in keywords such as “chronic Lyme” “post-treatment Lyme disease syndrome” and “Lyme disease treatment” to see what results show up. As you search, you will be able to identify more keywords that are relevant to what you want to search. Making a list of these keywords can help you as you engage in this task. When you find an article that looks promising, copy the citation information from Google Scholar and save it in a file or use a reference manager like Mendeley . You will thank yourself for this later. You can then search your academic institution’s online library to download the article.

An easy way to find relevant sources is to look at the citations of papers you find that are on the topic you want to research. If you aren’t sure whether an article or paper you are reading is reputable , you can check its citation metrics using Google Scholar, which can tell you how many other people cited a particular source. Generally, it holds true that the more highly cited a source is, the more reliable and useful it is. Of course, your citation sources don’t need to be limited to journal articles. Books , news articles , interviews, and other sources are all acceptable .

Finally, as you read through sources and organize them, you will want to take notes. Don’t just save an article and hope you’ll remember why you did. Jot down a few sentences about the main argument of this source and why/how it is relevant to your research study. Once you have done this, you will want to go ahead and organize your sources in an order that reflects the type of literature review you have chosen to do. For example, if you are doing a thematic review, you should organize sources by a theme or type of argument. If you are doing a historical review, you would organize them in chronological order.

Writing the literature review

As you write your literature review, you will want to walk the reader through what has happened in the literature review and offer your analysis of it.

Now that you’ve reviewed the literature, taken notes, organized your sources and your notes, you are ready to begin! As we mentioned above, a literature review needs an introduction and a conclusion. As you write your literature review, you will want to walk the reader through what has happened in the literature review and offer your analysis of it. For example, you could say “while Yue and Xu argue that Lyme disease is a bacterial infection and should not result in symptoms resembling post-viral syndromes, others such as Scott and Zebrowski have noted the strong similarities between patients with chronic Lyme disease and the newly emerging group of COVID long-haulers. Scott and Zebrowski appear to be at the forefront of the changing perspective on chronic Lyme disease as newer evidence supports their position.”

Your literature review will include the ideas of many other people, but it should not be a lengthy chapter directly quoting other papers. You should instead paraphrase what others say. Of course you can use some quotes! They are not off limits. Short quotes like “Marx said ‘religion is the opiate of the masses’ while Mao Zedong said ‘religion is poison’” is fine. Longer blocks of text should be used only when necessary and properly indicated within the text .

Now you are ready to write your thesis literature review! Check out our site for more tips on how to write a good thesis, where to find the best thesis editing services, and more about thesis editing and proofreading services .

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Checklist for writing a literature review

Below is a list of points to remember when writing your literature review. These will help you make sure that your literature review is thorough and properly structured.

Do a thorough review of the sources in your field that are relevant to your thesis topic.

Make sure your sources are reliable and high-quality.

Take detailed notes and maintain an organized list of your sources.

Cover a wide variety of viewpoints, not just those that support or agree with your argument. Make it clear what controversies and unsettled point of views exist.

Make sure your literature review chapter has a clear introduction, main body, and conclusion.

Use quotes sparingly.

What is a literature review? +

A literature review is a summary of the major studies and sources related to your topic that already exist and provides critical analysis of these sources. A literature review is not a bibliography or a list of sources. It is written in a narrative format.

e.g. “Clowes and McKnight (2002) argue that chronic Lyme disease is analogous to post-viral syndrome.”

What kinds of sources can be included in a literature review? +

Anything you can cite in an academic paper can be included in a literature review. This includes journal articles, books, news sources, interviews, and so on. You should not include Wikipedia or your Uncle Bob as a source in the literature review (unless your Uncle Bob is a recognized expert in your topic!).

Do I really have to write a literature review? +

A literature review is part of most social science or natural science theses/dissertations. your institutional requirements inform you to, then you have to write a literature review. If you are writing a thesis/dissertation in humanities or in another field where the structure does not mandate a literature review, you may be able to skip it. Always check with your advisor and your institution about the requirements of your thesis/dissertation structure.

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• Knowledge Base
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• What is a Literature Review? | Guide, Template, & Examples

What is a Literature Review? | Guide, Template, & Examples

Published on 22 February 2022 by Shona McCombes . Revised on 7 June 2022.

What is a literature review? A literature review is a survey of scholarly sources on a specific topic. It provides an overview of current knowledge, allowing you to identify relevant theories, methods, and gaps in the existing research.

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

A good literature review doesn’t just summarise sources – it analyses, synthesises, and critically evaluates to give a clear picture of the state of knowledge on the subject.

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Table of contents

Why write a literature review, examples of literature reviews, step 1: search for relevant literature, step 2: evaluate and select sources, step 3: identify themes, debates and gaps, step 4: outline your literature review’s structure, step 5: write your literature review, frequently asked questions about literature reviews, introduction.

• Quick Run-through
• Step 1 & 2

When you write a dissertation or thesis, you will have to conduct a literature review to situate your research within existing knowledge. The literature review gives you a chance to:

• Demonstrate your familiarity with the topic and scholarly context
• Develop a theoretical framework and methodology for your research
• Position yourself in relation to other researchers and theorists
• Show how your dissertation addresses a gap or contributes to a debate

You might also have to write a literature review as a stand-alone assignment. In this case, the purpose is to evaluate the current state of research and demonstrate your knowledge of scholarly debates around a topic.

The content will look slightly different in each case, but the process of conducting a literature review follows the same steps. We’ve written a step-by-step guide that you can follow below.

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Writing literature reviews can be quite challenging! A good starting point could be to look at some examples, depending on what kind of literature review you’d like to write.

• Example literature review #1: “Why Do People Migrate? A Review of the Theoretical Literature” ( Theoretical literature review about the development of economic migration theory from the 1950s to today.)
• Example literature review #2: “Literature review as a research methodology: An overview and guidelines” ( Methodological literature review about interdisciplinary knowledge acquisition and production.)
• Example literature review #3: “The Use of Technology in English Language Learning: A Literature Review” ( Thematic literature review about the effects of technology on language acquisition.)
• Example literature review #4: “Learners’ Listening Comprehension Difficulties in English Language Learning: A Literature Review” ( Chronological literature review about how the concept of listening skills has changed over time.)

You can also check out our templates with literature review examples and sample outlines at the links below.

Download Word doc Download Google doc

Before you begin searching for literature, you need a clearly defined topic .

If you are writing the literature review section of a dissertation or research paper, you will search for literature related to your research objectives and questions .

If you are writing a literature review as a stand-alone assignment, you will have to choose a focus and develop a central question to direct your search. Unlike a dissertation research question, this question has to be answerable without collecting original data. You should be able to answer it based only on a review of existing publications.

Make a list of keywords

Start by creating a list of keywords related to your research topic. Include each of the key concepts or variables you’re interested in, and list any synonyms and related terms. You can add to this list if you discover new keywords in the process of your literature search.

• Social media, Facebook, Instagram, Twitter, Snapchat, TikTok
• Body image, self-perception, self-esteem, mental health
• Generation Z, teenagers, adolescents, youth

Search for relevant sources

Use your keywords to begin searching for sources. Some databases to search for journals and articles include:

• Your university’s library catalogue
• Google Scholar
• Project Muse (humanities and social sciences)
• Medline (life sciences and biomedicine)
• EconLit (economics)
• Inspec (physics, engineering and computer science)

You can use boolean operators to help narrow down your search:

Read the abstract to find out whether an article is relevant to your question. When you find a useful book or article, you can check the bibliography to find other relevant sources.

To identify the most important publications on your topic, take note of recurring citations. If the same authors, books or articles keep appearing in your reading, make sure to seek them out.

You probably won’t be able to read absolutely everything that has been written on the topic – you’ll have to evaluate which sources are most relevant to your questions.

For each publication, ask yourself:

• What question or problem is the author addressing?
• What are the key concepts and how are they defined?
• What are the key theories, models and methods? Does the research use established frameworks or take an innovative approach?
• What are the results and conclusions of the study?
• How does the publication relate to other literature in the field? Does it confirm, add to, or challenge established knowledge?
• How does the publication contribute to your understanding of the topic? What are its key insights and arguments?
• What are the strengths and weaknesses of the research?

Make sure the sources you use are credible, and make sure you read any landmark studies and major theories in your field of research.

You can find out how many times an article has been cited on Google Scholar – a high citation count means the article has been influential in the field, and should certainly be included in your literature review.

The scope of your review will depend on your topic and discipline: in the sciences you usually only review recent literature, but in the humanities you might take a long historical perspective (for example, to trace how a concept has changed in meaning over time).

Remember that you can use our template to summarise and evaluate sources you’re thinking about using!

Take notes and cite your sources

As you read, you should also begin the writing process. Take notes that you can later incorporate into the text of your literature review.

It’s important to keep track of your sources with references to avoid plagiarism . It can be helpful to make an annotated bibliography, where you compile full reference information and write a paragraph of summary and analysis for each source. This helps you remember what you read and saves time later in the process.

You can use our free APA Reference Generator for quick, correct, consistent citations.

To begin organising your literature review’s argument and structure, you need to understand the connections and relationships between the sources you’ve read. Based on your reading and notes, you can look for:

• Trends and patterns (in theory, method or results): do certain approaches become more or less popular over time?
• Themes: what questions or concepts recur across the literature?
• Debates, conflicts and contradictions: where do sources disagree?
• Pivotal publications: are there any influential theories or studies that changed the direction of the field?
• Gaps: what is missing from the literature? Are there weaknesses that need to be addressed?

This step will help you work out the structure of your literature review and (if applicable) show how your own research will contribute to existing knowledge.

• Most research has focused on young women.
• There is an increasing interest in the visual aspects of social media.
• But there is still a lack of robust research on highly-visual platforms like Instagram and Snapchat – this is a gap that you could address in your own research.

There are various approaches to organising the body of a literature review. You should have a rough idea of your strategy before you start writing.

Depending on the length of your literature review, you can combine several of these strategies (for example, your overall structure might be thematic, but each theme is discussed chronologically).

Chronological

The simplest approach is to trace the development of the topic over time. However, if you choose this strategy, be careful to avoid simply listing and summarising sources in order.

Try to analyse patterns, turning points and key debates that have shaped the direction of the field. Give your interpretation of how and why certain developments occurred.

If you have found some recurring central themes, you can organise your literature review into subsections that address different aspects of the topic.

For example, if you are reviewing literature about inequalities in migrant health outcomes, key themes might include healthcare policy, language barriers, cultural attitudes, legal status, and economic access.

Methodological

If you draw your sources from different disciplines or fields that use a variety of research methods , you might want to compare the results and conclusions that emerge from different approaches. For example:

• Look at what results have emerged in qualitative versus quantitative research
• Discuss how the topic has been approached by empirical versus theoretical scholarship
• Divide the literature into sociological, historical, and cultural sources

Theoretical

A literature review is often the foundation for a theoretical framework . You can use it to discuss various theories, models, and definitions of key concepts.

You might argue for the relevance of a specific theoretical approach, or combine various theoretical concepts to create a framework for your research.

Like any other academic text, your literature review should have an introduction , a main body, and a conclusion . What you include in each depends on the objective of your literature review.

The introduction should clearly establish the focus and purpose of the literature review.

If you are writing the literature review as part of your dissertation or thesis, reiterate your central problem or research question and give a brief summary of the scholarly context. You can emphasise the timeliness of the topic (“many recent studies have focused on the problem of x”) or highlight a gap in the literature (“while there has been much research on x, few researchers have taken y into consideration”).

Depending on the length of your literature review, you might want to divide the body into subsections. You can use a subheading for each theme, time period, or methodological approach.

As you write, make sure to follow these tips:

• Summarise and synthesise: give an overview of the main points of each source and combine them into a coherent whole.
• Analyse and interpret: don’t just paraphrase other researchers – add your own interpretations, 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 transitions and topic sentences to draw connections, comparisons and contrasts.

In the conclusion, you should summarise the key findings you have taken from the literature and emphasise their significance.

If the literature review is part of your dissertation or thesis, reiterate how your research addresses gaps and contributes new knowledge, or discuss how you have drawn on existing theories and methods to build a framework for your research. This can lead directly into your methodology section.

A literature review is a survey of scholarly sources (such as books, journal articles, and theses) related to a specific topic or research question .

It is often written as part of a dissertation , thesis, research paper , or proposal .

There are several reasons to conduct a literature review at the beginning of a research project:

• To familiarise yourself with the current state of knowledge on your topic
• To ensure that you’re not just repeating what others have already done
• To identify gaps in knowledge and unresolved problems that your research can address
• To develop your theoretical framework and methodology
• To provide an overview of the key findings and debates on the topic

Writing the literature review shows your reader how your work relates to existing research and what new insights it will contribute.

The literature review usually comes near the beginning of your  dissertation . After the introduction , it grounds your research in a scholarly field and leads directly to your theoretical framework or methodology .

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Writing your thesis and conducting a literature review

• Writing your thesis

Your literature review

• Defining a research question
• Choosing where to search
• Search strings
• Limiters and filters
• Developing inclusion/exclusion criteria
• Managing your search results
• Screening, evaluating and recording
• Snowballing and grey literature
• Further information and resources

Most PhD and masters’ theses contain some form of literature review to provide the background for the research.  The literature review is an essential step in the research process. A successful literature review will offer a coherent presentation and analysis of the existing research in your field, demonstrating:

• Your understanding of the subject area
• Gaps in current knowledge (that may in turn influence the direction of your research) 
• Relevant methodologies

There are different approaches and methods to literature reviews, and you may have heard of terms like systematic, structured, scoping or meta-analysis. This is when the literature review becomes the research methodology in its own right, instead of forming part of the research process.

This table shows the differences between a traditional literature review and a structured or systematic literature review.

Traditional vs Systematic literature reviews  

The main types of literature review conducted at cranfield university are defined below..

• Traditional (Narrative)

Positioning Study

Traditional literature review

A traditional literature review or narrative review, is a critical review of the literature on a particular topic, often taking a thematic approach. The aim of this type of literature review is to identify research on your topic, demonstrate your understanding of the research area, and to evaluate the quality and relevance of the literature. You will use your literature review to understand what has already been researched, help develop your research questions and the methodology that you should follow to collect and to identify any areas that your research can explore. You want your research to be unique so you will use a literature review to prevent you duplicating any previous research but also identifying any errors or mistakes that you would want to avoid. A narrative literature review will have uncontrolled bias.  

Structured literature Review

A structured literature review involves bringing many research studies together to use them as the data to determine findings (known as secondary research). There is no other form of data collection involved such as creating your own surveys and questionnaires (primary research). This approach allows you to look beyond one dataset and synthesise the findings of many studies to answer a clearly formulated research question.

Sometimes a structured review may be called a systematic literature review. A structured review typically does not fulfil all the criteria of a full systematic review but may take a similar approach by taking a systematic, step by step method to finding literature. They tend to follow a set protocol for determining the research studies to be included and every stage is documented. The results and conclusions are based on the evidence found, not on the authors own views.

To help you prepare for your structured literature review please complete this interactive workbook .

For Supply chain students 

• To help you prepare for your systematic literature review please complete this interactive workbook .

Before conducting your systematic review, you need to know where your research fits in the literature.  Conducting a positioning study which will help you to identify the breadth, or scope of a topic. It will be broad and help you to map existing literature, identifying key concepts in the research. You will use the positioning study to identify and focus your research topic, becoming a subject matter expert with a strong understanding of the field. A positioning study acts as a precursor to a systematic review.

Systematic literature review

A systematic literature review is a specific research methodology to identify, select, evaluate, and synthesise relevant published and unpublished literature to answer a particular research question. The systematic literature review should be transparent and replicable, you should follow a predetermined set of criteria in your protocol to select studies and help minimise bias. The process will need to be documented throughout. A systematic literature review protocol may be registered, so that others can discover and minimise duplication, and can take several years to complete.

Useful background reading

Cranfield Libraries have several books offering guidance on how to approach and conduct literature reviews, and structured or systematic literature reviews:

• Reading list for  literature review and study skills
• Reading list of items to support a structured or systematic literature review

Looking at previous structured and systematic literature reviews is an effective way to understand what is required and how they should be structured and written up. Structured literature reviews can be found in the Masters Thesis Archive (MTA) and systematic literature reviews can be found in the Cranfield University institutional Repository, CERES. Check out the Theses  link.

• << Previous: Writing your thesis
• Next: Defining a research question >>
• Last Updated: May 9, 2024 11:51 AM
• URL: https://library.cranfield.ac.uk/writing-your-thesis

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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.

The Literature Review: A Guide for Postgraduate Students

This guide provides postgraduate students with an overview of the literature review required for most research degrees. It will advise you on the common types of literature reviews across disciplines and will outline how the purpose and structure of each may differ slightly. Various approaches to effective content organisation and writing style are offered, along with some common strategies for effective writing and avoiding some common mistakes. This guide focuses mainly on the required elements of a standalone literature review, but the suggestions and advice apply to literature reviews incorporated into other chapters.

Please see the companion article ‘ The Literature Review: A Guide for Undergraduate Students ’ for an introduction to the basic elements of a literature review. This article focuses on aspects that are particular to postgraduate literature reviews, containing detailed advice and effective strategies for writing a successful literature review. It will address the following topics:

• The purpose of a literature review
• The structure of your literature review
• Strategies for writing an effective literature review
• Mistakes to avoid

The Purpose of a Literature Review

After developing your research proposal and writing a research statement, your literature review is one of the most important early tasks you will undertake for your postgraduate research degree. Many faculties and departments require postgraduate research students to write an initial literature review as part of their research proposal, which forms part of the candidature confirmation process that occurs six months into the research degree for full-time students (12 months for part-time students).

For example, a postgraduate student in history would normally write a 10,000-word research proposal—including a literature review—in the first six months of their PhD. This would be assessed in order to confirm the ongoing candidature of the student.

The literature review is your opportunity you show your supervisor (and ultimately, your examiners) that you understand the most important debates in your field, can identify the texts and authors most relevant to your particular topic, and can examine and evaluate these debates and texts both critically and in depth. You will be expected to provide a comprehensive, detailed and relevant range of scholarly works in your literature review.

In general, a literature review has a specific and directed purpose: to focus the reader’s attention on the significance and necessity of your research. By identifying a ‘gap’ in the current scholarship, you convince your readers that your own research is vital.

As the author, you will achieve these objectives by displaying your in-depth knowledge and understanding of the relevant scholarship in your field, situating your own research within this wider body of work , while critically analysing the scholarship and highlighting your own arguments in relation to that scholarship.

A well-focused, well-developed and well-researched literature review operates as a linchpin for your thesis, provides the background to your research and demonstrates your proficiency in some requisite academic skills.

The Structure of Your Literature Review

Postgraduate degrees can be made up of a long thesis (Master’s and PhD by research) or a shorter thesis and coursework (Master’s by coursework; although some Australian universities now require PhD students to undertake coursework in the first year of their degree). Some disciplines involve creative work (such as a novel or artwork) and an exegesis (such as a creative writing research or fine arts degree). Others can comprise a series of published works in the form of a ‘thesis by publication’ (most common in the science and medical fields).

The structure of a literature review will thus vary according to the discipline and the type of thesis. Some of the most common discipline-based variations are outlined in the following paragraphs.

Humanities and Social Science Degrees

Many humanities and social science theses will include a standalone literature review chapter after the introduction and before any methodology (or theoretical approaches) chapters. In these theses, the literature review might make up around 15 to 30 per cent of the total thesis length, reflecting its purpose as a supporting chapter.

Here, the literature review chapter will have an introduction, an appropriate number of discussion paragraphs and a conclusion. As with a research essay, the introduction operates as a ‘road map’ to the chapter. The introduction should outline and clarify the argument you are making in your thesis (Australian National University 2017), as readers will then have a context for the discussion and critical analysis paragraphs that follow.

The main discussion section can be divided further with subheadings, and the material organised in several possible ways: chronologically, thematically or from the better- to the lesser-known issues and arguments. The conclusion should provide a summary of the chapter overall, and should re-state your thesis statement, linking this to the gap you have identified in the literature that confirms the necessity of your research.

For some humanities’ disciplines, such as literature or history (Premaratne 2013, 236–54), where primary sources are central, the literature review may be conducted chapter-by-chapter, with each chapter focusing on one theme and set of scholarly secondary sources relevant to the primary source material.

Science and Mathematics Degrees

For some science or mathematics research degrees, the literature review may be part of the introduction. The relevant literature here may be limited in number and scope, and if the research project is experiment-based, rather than theoretically based, a lengthy critical analysis of past research may be unnecessary (beyond establishing its weaknesses or failings and thus the necessity for the current research). The literature review section will normally appear after the paragraphs that outline the study’s research question, main findings and theoretical framework. Other science-based degrees may follow the standalone literature review chapter more common in the social sciences.

Strategies for Writing an Effective Literature Review

A research thesis—whether for a Master’s degree or Doctor of Philosophy—is a long project, and the literature review, usually written early on, will most likely be reviewed and refined over the life of the thesis. This section will detail some useful strategies to ensure you write a successful literature review that meets the expectations of your supervisor and examiners.

Using a Mind Map

Before planning or writing, it can be beneficial to undertake a brainstorm exercise to initiate ideas, especially in relation to the organisation of your literature review. A mind map is a very effective technique that can get your ideas flowing prior to a more formal planning process.

A mind map is best created in landscape orientation. Begin by writing a very brief version of your research topic in the middle of the page and then expanding this with themes and sub-themes, identified by keywords or phrases and linked by associations or oppositions. The University of Adelaide provides an excellent introduction to mind mapping.

Planning is as essential at the chapter level as it is for your thesis overall. If you have begun work on your literature review with a mind map or similar process, you can use the themes or organisational categories that emerged to begin organising your content. Plan your literature review as if it were a research essay with an introduction, main body and conclusion.

Create a detailed outline for each main paragraph or section and list the works you will discuss and analyse, along with keywords to identify important themes, arguments and relevant data. By creating a ‘planning document’ in this way, you can keep track of your ideas and refine the plan as you go.

Maintaining a Current Reference List or Annotated Bibliography

It is vital that you maintain detailed and up-to-date records of all scholarly works that you read in relation to your thesis. You will need to ensure that you remain aware of current and developing research, theoretical debates and data as your degree progresses; and review and update the literature review as you work through your own research and writing.

To do this most effectively and efficiently, you will need to record precisely the bibliographic details of each source you use. Decide on the referencing style you will be using at an early stage (this is often dictated by your department or discipline, or suggested by your supervisor). If you begin to construct your reference list as you write your thesis, ensure that you follow any formatting and stylistic requirements for your chosen referencing style from the start (nothing is more onerous than undertaking this task as you are finishing your research degree).

Insert references (also known as ‘citations’) into the text or footnote section as you write your literature review, and be aware of all instances where you need to use a reference . The literature review chapter or section may appear to be overwhelmed with references, but this is just a reflection of the source-based content and purpose.

The Drawbacks of Referencing Software

We don’t recommend the use of referencing software to help you with your references because using this software almost always leads to errors and inconsistencies. They simply can’t be trusted to produce references that will be complete and accurate, properly following your particular referencing style to the letter.

Further, relying on software to create your references for you usually means that you won’t learn how to reference correctly yourself, which is an absolutely vital skill, especially if you are hoping to continue in academia.

Writing Style

Similar to structural matters, your writing style will depend to some extent on your discipline and the expectations and advice of your supervisors. Humanities- and creative arts–based disciplines may be more open to a wider variety of authorial voices. Even if this is so, it remains preferable to establish an academic voice that is credible, engaging and clear.

Simple stylistic strategies such as using the active—instead of the passive—voice, providing variety in sentence structure and length and preferring (where appropriate) simple language over convoluted or overly obscure words can help to ensure your academic writing is both formal and highly readable.

Reviewing, Rewriting and Editing

Although an initial draft is essential (and in some departments it is a formal requirement) to establish the ground for your own research and its place within the wider body of scholarship, the literature review will evolve, develop and be modified as you continue to research, write, review and rewrite your thesis. It is likely that your literature review will not be completed until you have almost finished the thesis itself, and a final assessment and edit of this section is essential to ensure you have included the most important scholarship that is relevant and necessary to your research.

It has happened to many students that a crucial piece of literature is published just as they are about to finalise their thesis, and they must revise their literature review in light of it. Unfortunately, this cannot be avoided, lest your examiners think that you are not aware of this key piece of scholarship. You need to ensure your final literature review reflects how your research now fits into the new landscape in your field after any recent developments.

Mistakes to Avoid

Some common mistakes can result in an ineffective literature review that could then flow on to the rest of your thesis. These mistakes include:

• Trying to read and include everything you find on your topic. The literature review should be selective as well as comprehensive, examining only those sources relevant to your research topic.
• Listing the scholarship as if you are writing an annotated bibliography or a series of summaries. Your discussion of the literature should be synthesised and holistic, and should have a logical progression that is appropriate to the organisation of your content.
• Failing to integrate your examination of the literature with your own thesis topic. You need to develop your discussion of each piece of scholarship in relation to other pieces of research, contextualising your analyses and conclusions in relation to your thesis statement or research topic and focusing on how your own research relates to, complements and extends the existing scholarship.

Writing the literature review is often the first task of your research degree. It is a focused reading and research activity that situates your own research in the wider scholarship, establishing yourself as an active member of the academic community through dialogue and debate. By reading, analysing and synthesising the existing scholarship on your topic, you gain a comprehensive and in-depth understanding, ensuring a solid basis for your own arguments and contributions. If you need advice on referencing , academic writing , time management or other aspects of your degree, you may find Capstone Editing’s other resources and blog articles useful.

Australian National University. 2017. ‘Literature Reviews’. Last accessed 28 March. http://www.anu.edu.au/students/learning-development/research-writing/literature-reviews.

Premaratne, Dhilara Darshana. 2013. ‘Discipline Based Variations in the Literature Review in the PhD Thesis: A Perspective from the Discipline of History’. Education and Research Perspectives 40: 236–54.

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• UConn Library
• Literature Review: The What, Why and How-to Guide
• Introduction

Literature Review: The What, Why and How-to Guide — Introduction

• Getting Started
• How to Pick a Topic
• Strategies to Find Sources
• Evaluating Sources & Lit. Reviews
• Tips for Writing Literature Reviews
• Writing Literature Review: Useful Sites
• Citation Resources
• Other Academic Writings

What are Literature Reviews?

So, what is a literature review? "A literature review is an account of what has been published on a topic by accredited scholars and researchers. In writing the literature review, your purpose is to convey to your reader what knowledge and ideas have been established on a topic, and what their strengths and weaknesses are. As a piece of writing, the literature review must be defined by a guiding concept (e.g., your research objective, the problem or issue you are discussing, or your argumentative thesis). It is not just a descriptive list of the material available, or a set of summaries." Taylor, D.  The literature review: A few tips on conducting it . University of Toronto Health Sciences Writing Centre.

Goals of Literature Reviews

What are the goals of creating a Literature Review?  A literature could be written to accomplish different aims:

• To develop a theory or evaluate an existing theory
• To summarize the historical or existing state of a research topic
• Identify a problem in a field of research 

Baumeister, R. F., & Leary, M. R. (1997). Writing narrative literature reviews .  Review of General Psychology , 1 (3), 311-320.

What kinds of sources require a Literature Review?

• A research paper assigned in a course
• A thesis or dissertation
• A grant proposal
• An article intended for publication in a journal

All these instances require you to collect what has been written about your research topic so that you can demonstrate how your own research sheds new light on the topic.

Types of Literature Reviews

What kinds of literature reviews are written?

Narrative review: The purpose of this type of review is to describe the current state of the research on a specific topic/research and to offer a critical analysis of the literature reviewed. Studies are grouped by research/theoretical categories, and themes and trends, strengths and weakness, and gaps are identified. The review ends with a conclusion section which summarizes the findings regarding the state of the research of the specific study, the gaps identify and if applicable, explains how the author's research will address gaps identify in the review and expand the knowledge on the topic reviewed.

• Example : Predictors and Outcomes of U.S. Quality Maternity Leave: A Review and Conceptual Framework:  10.1177/08948453211037398  

Systematic review : "The authors of a systematic review use a specific procedure to search the research literature, select the studies to include in their review, and critically evaluate the studies they find." (p. 139). Nelson, L. K. (2013). Research in Communication Sciences and Disorders . Plural Publishing.

• Example : The effect of leave policies on increasing fertility: a systematic review:  10.1057/s41599-022-01270-w

Meta-analysis : "Meta-analysis is a method of reviewing research findings in a quantitative fashion by transforming the data from individual studies into what is called an effect size and then pooling and analyzing this information. The basic goal in meta-analysis is to explain why different outcomes have occurred in different studies." (p. 197). Roberts, M. C., & Ilardi, S. S. (2003). Handbook of Research Methods in Clinical Psychology . Blackwell Publishing.

• Example : Employment Instability and Fertility in Europe: A Meta-Analysis:  10.1215/00703370-9164737

Meta-synthesis : "Qualitative meta-synthesis is a type of qualitative study that uses as data the findings from other qualitative studies linked by the same or related topic." (p.312). Zimmer, L. (2006). Qualitative meta-synthesis: A question of dialoguing with texts .  Journal of Advanced Nursing , 53 (3), 311-318.

• Example : Women’s perspectives on career successes and barriers: A qualitative meta-synthesis:  10.1177/05390184221113735

Literature Reviews in the Health Sciences

• UConn Health subject guide on systematic reviews Explanation of the different review types used in health sciences literature as well as tools to help you find the right review type
• << Previous: Getting Started
• Next: How to Pick a Topic >>
• Last Updated: Sep 21, 2022 2:16 PM
• URL: https://guides.lib.uconn.edu/literaturereview

Writing the Dissertation - Guides for Success: The Literature Review

• Writing the Dissertation Homepage
• Overview and Planning
• The Literature Review
• The Methodology
• The Results and Discussion
• The Conclusion
• The Abstract
• Getting Started
• Research Gap
• What to Avoid

Overview of writing the literature review

Conducting a literature review enables you to demonstrate your understanding and knowledge of the existing work within your field of research. Doing so allows you to identify any underdeveloped areas or unexplored issues within a specific debate, dialogue or field of study. This, in turn, helps you to clearly and persuasively demonstrate how your own research will address one or more of these gaps.

Disciplinary differences

Please note: this guide is not specific to any one discipline. The literature review can vary depending on the nature of the research and the expectations of the school or department. Please adapt the following advice to meet the demands of your dissertation and the expectations of your school or department. Consult your supervisor for further guidance; you can also check out  Writing Across Subjects guide .

Guide contents

As part of the Writing the Dissertation series, this guide covers the most common expectations for the literature review chapter, giving you the necessary knowledge, tips and guidance needed to impress your markers!  The sections are organised as follows:

• Getting Started  - Defines the literature review and presents a table to help you plan.
• Process -  Explores choosing a topic, searching for sources and evaluating what you find.
• Structure  - Presents key principles to consider in terms of structure, with examples to illustrate the concepts.
• Research gap - Clarifies what is meant by 'gap' and gives examples of common types of gaps.
• What to Avoid  - Covers a few frequent mistakes you'll want to...avoid!
• FAQs  - Answers to common questions about research gaps, literature availability and more.
• Checklist  - Includes a summary of key points and a self-evaluation checklist.

Training and tools

• The Academic Skills team has recorded a Writing the Dissertation workshop series to help you with each section of a standard dissertation, including a video on writing the literature review .
• Check out the library's online Literature Review: Research Methods training.
• Our literature reviews summary guide provides links to further information and videos.
• The dissertation planner tool can help you think through the timeline for planning, research, drafting and editing.
• iSolutions offers training and a Word template to help you digitally format and structure your dissertation.

What is the literature review?

The literature review of a dissertation gives a clear, critical overview of a specific area of research. Our main Writing the Dissertation - Overview and Planning guide explains how you can refine your dissertation topic  and begin your initial research; the next tab of this guide, 'Process', expands on those ideas. In summary, the process of conducting a literature review usually involves the following:

• Conducting a series of strategic searches to identify the key texts within that topic.
• Identifying the main argument in each source, the relevant themes and issues presented and how they relate to each other.
• Critically evaluating your chosen sources and determining their strengths, weaknesses, relevance and value to your research along with their overall contribution to the broader research field.
• Identifying any gaps or flaws in the literature which your research can address.

Literature review as both process and product

Writers should keep in mind that the phrase 'literature review' refers to two related, but distinct, things:

• 'Literature review' refers, first, to the  active process  of discovering and assessing relevant literature.
• 'Literature review' refers, second, to the  written product  that emerges from the above process.

This distinction is vital to note because  every  dissertation requires the writer to engage with and consider existing literature (i.e., to undertake the active  process ). Research doesn't exist in a void, and it's crucial to consider how our work builds from or develops existing foundations of thought or discovery. Thus, even if your discipline doesn't require you to include a chapter titled 'Literature Review' in your submitted dissertation, you should expect to engage with the process of reviewing literature.

Why is it important to be aware of existing literature?

• You are expected to explain how your research fits in with other research in your field and, perhaps, within the wider academic community.
• You will be expected to contribute something new, or slightly different, so you need to know what has already been done.
• Assessing the existing literature on your topic helps you to identify any gaps or flaws within the research field. This, in turn, helps to stimulate new ideas, such as addressing any gaps in knowledge, or reinforcing an existing theory or argument through new and focused research.

Not all literature reviews are the same. For example, in many subject areas, you are expected to include the literature review as its own chapter in your dissertation. However, in other subjects, the dissertation structure doesn't include a dedicated literature review chapter; any literature the writer has reviewed is instead incorporated in other relevant sections such as the introduction, methodology or discussion.

For this reason, there are a number of questions you should discuss with your supervisor before starting your literature review. These questions are also great to discuss with peers in your degree programme. These are outlined in the table below (see the Word document for a copy you can save and edit):

• Dissertation literature review planning table

Literature review: the process

Conducting a literature review requires you to stay organised and bring a systematic approach to your thinking and reading. Scroll to continue reading, or click a link below to jump immediately to that section:

Choosing a topic

The first step of any research project is to select an interesting topic. From here, the research phase for your literature review helps to narrow down your focus to a particular strand of research and to a specific research question. This process of narrowing and refining your research topic is particularly important because it helps you to maintain your focus and manage your material without becoming overwhelmed by sources and ideas.

Try to choose something that hasn’t been researched to death. This way, you stand a better chance of making a novel contribution to the research field.

Conversely, you should avoid undertaking an area of research where little to no work has been done. There are two reasons for this:

• Firstly, there may be a good reason for the lack of research on a topic (e.g. is the research useful or worthwhile pursuing?).
• Secondly, some research projects, particularly practice-based ones involving primary research, can be too ambitious in terms of their scope and the availability of resources. Aim to contribute to a topic, not invent one!

Searching for sources

Researching and writing a literature review is partly about demonstrating your independent research skills. Your supervisor may have some tips relating to your discipline and research topic, but you should be proactive in finding a range of relevant sources. There are various ways of tracking down the literature relevant to your project, as outlined below.

Make use of Library Search

One thing you don’t want to do is simply type your topic into Google and see what comes up. Instead, use Library Search to search the Library’s catalogue of books, media and articles.

Online training for 'Using databases' and 'Finding information' can be found here . You can also use the Library's subject pages to discover databases and resources specific to your academic discipline.

Engage with others working in your area

As well as making use of library resources, it can be helpful to discuss your work with students or academics working in similar areas. Think about attending relevant conferences and/or workshops which can help to stimulate ideas and allows you to keep track of the most current trends in your research field.

Look at the literature your sources reference

Finding relevant literature can, at times, be a long and slightly frustrating experience. However, one good source can often make all the difference. When you find a good source that is both relevant and valuable to your research, look at the material it cites throughout and follow up any sources that are useful. Also check if your source has been cited in any more recent publications.

Think of the bibliography/references page of a good source as a series of breadcrumbs that you can follow to find even more great material.

Evaluating sources

It is very important to be selective when choosing the final sources to include in your literature review. Below are some of the key questions to ask yourself:

• If a source is tangentially interesting but hasn’t made any particular contribution to your topic, it probably shouldn’t be included in your literature review. You need to be able to demonstrate how it fits in with the other sources under consideration, and how it has helped shape the current state of the literature.
• There might be a wealth of material available on your chosen subject, but you need to make sure that the sources you use are appropriate for your assignment. The safest approach to take is to use only academic work from respected publishers. However, on occasions, you might need to deviate from traditional academic literature in order to find the information you need. In many cases, the problem is not so much the sources you use, but how you use them. Where relevant, information from newspapers, websites and even blogs are often acceptable, but you should be careful how you use that information. Do not necessarily take any information as factual. Instead be critical and interpret the material in the context of your research. Consider who the writer is and how this might influence the authority and reliability of the information presented. Consult your supervisor for more specific guidance relating to your research.
• The mere fact that something has been published does not automatically guarantee its quality, even if it comes from a reputable publisher. You will need to critique the content of the source. Has the author been thorough and consistent in their methodology? Do they present their thesis coherently? Most importantly, have they made a genuine contribution to the topic?

Keeping track of your sources

Once you have selected a source to use in your literature review, it is useful to make notes on all of its key features, including where it comes from, what it says, and what its main strengths and weaknesses are. This way you can easily re-familiarise yourself with a source without having to re-read it. Keeping an annotated bibliography is one way to do this.

Alternately, below is a table you can copy and fill out for each source (see the Word document to save an editable copy for yourself). Software such as EndNote also allows you to keep an electronic record of references and your comments on them.

• Source evaluation table

Writing your literature review

As we explored in the 'Getting Started' tab, the literature review is both a process you follow and (in most cases) a written chapter you produce. Thus, having engaged the review process, you now need to do the writing itself. Please continue reading, or click a heading below to jump immediately to that section.

Guiding principles

The structure of the final piece will depend on the discipline within which you are working as well as the nature of your particular research project. However, here are a few general pieces of advice for writing a successful literature review:

• Show the connections between your sources. Remember that your review should be more than merely a list of sources with brief descriptions under each one. You are constructing a narrative. Show clearly how each text has contributed to the current state of the literature, drawing connections between them.
• Engage critically with your sources. This means not simply describing what they say. You should be evaluating their content: do they make sound arguments? Are there any flaws in the methodology? Are there any relevant themes or issues they have failed to address? You can also compare their relative strengths and weaknesses.
• Signpost throughout to ensure your reader can follow your narrative.  Keep relating the discussion back to your specific research topic.
• Make a clear argument. Keep in mind that this is a chance to present your take on a topic. Your literature review showcases your own informed interpretation of a specific area of research. If you have followed the advice given in this guide you will have been careful and selective in choosing your sources. You are in control of how you present them to your reader.

There are several different ways to structure the literature review chapter of your dissertation. Two of the most common strategies are thematic structure and chronological structure (the two of which can also be combined ). However you structure the literature review, this section of the dissertation normally culminates in identifying the research gap.

Thematic structure

Variations of this structure are followed in most literature reviews. In a thematic structure , you organise the literature into groupings by theme (i.e., subtopic or focus). You then arrange the groupings in the most logical order, starting with the broadest (or most general) and moving to the narrowest (or most specific).

The funnel or inverted pyramid

To plan a thematic structure structure, it helps to imagine your themes moving down a funnel or inverted pyramid  from broad to narrow. Consider the example depicted below, which responds to this research question:

What role did the iron rivets play in the sinking of the Titanic?

The topic of maritime disasters is the broadest theme, so it sits at the broad top of the funnel. The writer can establish some context about maritime disasters, generally, before narrowing to the Titanic, specifically. Next, the writer can narrow the discussion of the Titanic to the ship's structural integrity, specifically. Finally, the writer can narrow the discussion of structural integrity to the iron rivets, specifically. And voila: there's the research gap!

The broad-to-narrow structure is intuitive for readers. Thus, it is crucial to consider how your themes 'nest inside' one another, from the broad to the narrow. Picturing your themes as nesting dolls is another way to envision this literature review structure, as you can see in the image below.

As with the funnel, remember that the first layer (or in this case, doll) is largest because it represents the broadest theme. In terms of word count and depth, the tinier dolls will warrant more attention because they are most closely related to the research gap or question(s).

The multi-funnel variation

The example above demonstrates a research project for which one major heading might suffice, in terms of outlining the literature review. However, the themes you identify for your dissertation might not relate to one another in such a linear fashion. If this is the case, you can adapt the funnel approach to match the number of major subheadings you will need.

In the three slides below, for example, a structure is depicted for a project that investigates this (fictional) dissertation research question: does gender influence the efficacy of teacher-led vs. family-led learning interventions for children with ADHD? Rather than nesting all the subtopics or themes in a direct line, the themes fall into three major headings.

The first major heading explores ADHD from clinical and diagnostic perspectives, narrowing ultimately to gender:

• 1.1 ADHD intro
• 1.2 ADHD definitions
• 1.3 ADHD diagnostic criteria
• 1.4 ADHD gender differences

The second major heading explores ADHD within the classroom environment, narrowing to intervention types:

• 2.1 ADHD in educational contexts
• 2.2 Learning interventions for ADHD
• 2.2.1 Teacher-led interventions
• 2.2.2 Family-led interventions

The final major heading articulates the research gap (gender differences in efficacy of teacher-led vs. family-led interventions for ADHD) by connecting the narrowest themes of the prior two sections.

Multi-funnel literature review structure by Academic Skills Service

To create a solid thematic structure in a literature review, the key is thinking carefully and critically about your groupings of literature and how they relate to one another. In some cases, your themes will fit in a single funnel. In other cases, it will make sense to group your broad-to-narrow themes under several major headings, and then arrange those major headings in the most logical order.

Chronological structure

Some literature reviews will follow a  chronological structure . As the name suggests, a review structured chronologically will arrange sources according to their publication dates, from earliest to most recent.

This approach can work well when your priority is to demonstrate how the research field has evolved over time. For example, a chronological arrangement of articles about artificial intelligence (AI) would allow the writer to highlight how breakthroughs in AI have built upon one another in sequential order.

A chronological structure can also suit literature reviews that need to capture how perceptions or understandings have developed across a period of time (including to the present day). For example, if your dissertation involves the public perception of marijuana in the UK, it  could  make sense to arrange that discussion chronologically to demonstrate key turning points and changes of majority thought.

The chronological structure can work well in some situations, such as those described above. That being said, a purely chronological structure should be considered with caution.  Organising sources according to date alone runs the risk of creating a fragmented reading experience. It can be more difficult in a chronological structure to properly synthesize the literature. For these reasons, the chronological approach is often blended into a thematic structure, as you will read more about, below.

Combined structures

The structures of literature reviews can vary drastically, and for any given dissertation there will be many valid ways to arrange the literature.

For example, many literature reviews will  combine  the thematic and chronological approaches in different ways. A writer might match their major headings to themes or subtopics, but then arrange literature chronologically within the major themes identified. Another writer might base their major headings on chronology, but then assign thematic subheadings to each of those major headings.

When considering your options, try to imagine your reader or audience. What 'flow' will allow them to best follow the discussion you are crafting? When you are reading articles, what structural approaches do you appreciate in terms of ease and clarity?

Identifying the gap

The bulk of your literature review will explore relevant points of development and scholarly thought in your research field: in other words, 'Here is what has been done so far, thus here is where the conversation now stands'. In that way, you position your project within a wider academic discussion.

Having established that context, the literature review generally culminates in an articulation of what remains to be done: the  research gap  your project addresses. See the next tab for further explanation and examples.

Demystifying the research gap

The term research gap   is intimidating for many students, who might mistakenly believe that every single element of their research needs to be brand new and fully innovative. This isn't the case!

The gap in many projects will be rather niche or specific. You might be helping to update or re-test knowledge rather than starting from scratch. Perhaps you have repeated a study but changed one variable. Maybe you are considering a much discussed research question, but with a lesser used methodological approach.

To demonstrate the wide variety of gaps a project could address, consider the examples below. The categories used and examples included are by no means comprehensive, but they should be helpful if you are struggling to articulate the gap your literature review has identified.

***P lease note that the content of the example statements has been invented for the sake of demonstration. The example statements should not be taken as expressions of factual information.

Gaps related to population or geography

Many dissertation research questions involve the study of a specific population. Those populations can be defined by nationality, ethnicity, gender, sexuality, socioeconomic class, political beliefs, religion, health status, or other factors. Other research questions target a specific geography (e.g. a country, territory, city, or similar). Perhaps your broader research question has been pursued by many prior scholars, but few (or no) scholars have studied the question in relation to your focal population or locale: if so, that's a gap.

• Example 1:  As established above, the correlations between [ socioeconomic status ] and sustainable fashion purchases have been widely researched. However, few studies have investigated the potential relationship between [ sexual identity ] and attitudes toward sustainable fashion. Therefore...
• Example 2:  Whilst the existing literature has established a clear link between [ political beliefs ] and perceptions of socialized healthcare, the influence of [ religious belief ] is less understood, particularly in regards to [ Religion ABC ].
• Example 3:  Available evidence confirms that the widespread adoption of Technology XYZ in [ North America ] has improved manufacturing efficiency and reduced costs in the automotive sector. Using predictive AI models, the present research seeks to explore whether deployment of Technology XYZ could benefit the automotive sector of [ Europe ] in similar ways.

Gaps related to theoretical framework

The original contribution might involve examining something through a new lens.  Theoretical framework  refers, most simply, to the theory or theories a writer will use to make sense of and shape (i.e., frame ) their discussion. Perhaps your topic has been analysed in great detail through certain theoretical lenses, but you intend to frame your analysis using a theory that fewer scholars have applied to the topic: if so, that's a gap.

• Example 1:  Existing discussions of the ongoing revolution in Country XYZ frame the unrest in terms of [ theory A ] and [ theory B ]. The present research will instead analyse the situation using [ theory C ], allowing greater insight into...
• Example 2:  In the first section of this literature review, I examined the [ postmodern ], [ Marxist ], and [ pragmatist ] analyses that dominate academic discussion of The World According to Garp.  By revisiting this modern classic through the lens of [ queer theory ], I intend to...

Gaps related to methodological approach

The research gap might be defined by differences of methodology (see our Writing the Methodology guide for more). Perhaps your dissertation poses a central question that other scholars have researched, but they have applied different methods to find the answer(s): if so, that's a gap.

• Example 1:  Previous studies have relied largely upon the [ qualitative analysis of interview transcripts ] to measure the marketing efficacy of body-positive advertising campaigns. It is problematic that little quantitative data underpins present findings in this area. Therefore, I will address this research gap by [ using algorithm XYZ to quantify and analyse social-media interactions ] to determine whether...
• Example 2: Via [ quantitative and mixed-methods studies ], previous literature has explored how demographic differences influence the probability of a successful match on Dating App XYZ. By instead [ conducting a content analysis of pre-match text interactions ] on Dating App XYZ, I will...

Scarcity as a gap

Absolutes such as never  and always  rarely apply in academia, but here is an exception: in academia, a single study or analysis is  never  enough. Thus, the gap you address needn't be a literal void in the discussion. The gap could instead have to do with  replicability  or  depth/scope.  In these cases, you are adding value and contributing to the academic process by testing emerging knowledge or expanding underdeveloped discussions.

• Example:  Initial research points to the efficacy of Learning Strategy ABC in helping children with dyslexia build their reading confidence. However, as detailed earlier in this review, only four published studies have tested the intervention, and two of those studies were conducted in a laboratory. To expand our growing understanding of how Learning Strategy ABC functions in classroom environments, I will...

Elapsed time as a gap

Academia values up-to-date knowledge and findings, so another valid type of gap relates to elapsed time. Many factors that can influence or shape research findings are ever evolving: technology, popular culture, and political climates, to name just a few. Due to such changes, it's important for scholars in most fields to continually update findings. Perhaps your dissertation adds value by contributing to this process.

For example, imagine if a scholar today were to rely on a handbook of marketing principles published in 1998. As good as that research might have been in 1998, technology (namely, the internet) has advanced drastically since then. The handbook's discussion of online marketing strategies will be laughably outdated when compared to more recent literature.

• Example:  A wide array of literature has explored the ways in which perceptions of gender influence professional recruitment practices in the UK. The bulk of said literature, however, was published prior to the #MeToo movement and resultant shifts in discourse around gender, power imbalances and professional advancement. Therefore...

What to avoid

This portion of the guide will cover some common missteps you should try to avoid in writing your literature review. Scroll to continue reading, or click a heading below to jump immediately to that section.

Writing up before you have read up

Trying to write your literature review before you have conducted adequate research is a recipe for panic and frustration. The literature review, more than any other chapter in your dissertation, depends upon your critical understanding of a range of relevant literature. If you have only dipped your toe into the pool of literature (rather than diving in!), you will naturally struggle to develop this section of the writing. Focus on developing your relevant bases of knowledge before you commit too much time to drafting.

Believing you need to read everything

As established above, a literature review does require a significant amount of reading. However, you aren't expected to review  everything ever written  about your topic. Instead, aim to develop a more strategic approach to your research. A strategic approach to research looks different from one project to the next, but here are some questions to help you prioritise:

• If your field values up-to-date research and discoveries, carefully consider the 'how' and 'what' before investing time reading older sources: how will the source function in your dissertation, and what will it add to your writing?
• Try to break your research question(s) down into component parts. Then, map out where your literature review will need to provide extensive detail and where it can instead present quicker background. Allocate your research time and effort accordingly. 

Omitting dissenting views or findings

While reviewing the literature, you might discover authors who disagree with your central argument or whose own findings contradict your hypothesis. Don't omit those sources: embrace them! Remember, the literature review aims to explore the academic dialogue around your topic: disagreements or conflicting findings are often part of that dialogue, and including them in your writing will create a sense of rich, critical engagement. In fact, highlighting any disagreements amongst scholars is a great way to emphasise the relevance of, and need for, your own research.

Miscalculating the scope

As shown in the funnel structure (see 'Structure' tab for more), a literature review often starts broadly and then narrows the dialogue as it progresses, ultimately bringing the reader to the dissertation's specific research topic (e.g. the funnel's narrowest point).

Within that structure, it's common for writers to miscalculate the scope required. They might open the literature review far too broadly, dedicating disproportionate space to developing background information or general theory; alternately, they might rush into the narrowest part of the discussion, failing to develop any sense of surrounding context or background, first.

It takes trial and error to determine the appropriate scope for your literature review. To help with this...

• Imagine your literature review subtopics cascading down a stairwell,  as in the illustration below.
• Place the broadest concepts on the highest steps, then narrow down to the most specific concepts on the lowest steps: the scope 'zooms in' as you move down the stairwell.
• Now, consider which step is the most logical starting place for your readers. Do they need to start all the way at the top, or should you 'zoom in'?

The illustration above shows a stairwell diagram of a dissertation that aims to analyse Stephen King's horror novel  The Stand  through the lens of a specific feminist literary theory.

• If the literature review began on one of the bottom two steps, this would feel rushed and inadequate. The writer needs to explore and define the relevant theoretical lens before they discuss how it has been applied by other scholars.
• If the literature review began on the very top step, this would feel comically broad in terms of scope: in this writing context, the reader doesn't require a detailed account of the entire history of feminism!

The third step, therefore, represents a promising starting point: not too narrow, not too broad.

The 'islands' structure

Above all else, a literature review needs to synthesize a range of sources   in a logical fashion. In this context, to  synthesize  means to bring together, connect, weave, and/or relate. A common mistake writers make is failing to conduct such synthesis, and instead discussing each source in isolation. This leads to a disconnected structure, with each source treated like its own little 'island'. The island approach works for very few projects.

Some writers end up with this island structure because they confuse the nature of the  literature review  with the nature of an annotated bibliography . The latter is a tool you can use to analyse and keep track of individual sources, and most annotated bibliographies will indeed be arranged in a source-by-source structure. That's fine for pre-writing and notetaking, but to structure the literature review, you need to think about connections and overlaps between sources rather than considering them as stand-alone works.

If you are struggling to forge connections between your sources, break down the process into tiny steps:

• e.g. Air pollution from wood-burning stoves in homes.
• e.g.  Bryant and Dao (2022) found that X% of small particle pollution in the United Kingdom can be attributed to the use of wood-burning stoves.
• e.g.  A study by Williams (2023) reinforced those findings, indicating that small particle pollution has...
• e.g.  However, Landers (2023) cautions that factor ABC and factor XYZ may contribute equally to poor air quality, suggesting that further research...

The above exercise is  not  meant to suggest that you can only write one sentence per source: you can write more than that, of course! The exercise is simply designed to help you start synthesizing the literature rather than giving each source the island treatment.

Q: I still don't get it - what's the point of a literature review?

A: Let's boil it down to three key points...

• The literature review provides a platform for you, as a scholar, to demonstrate your understanding of how your research area has evolved. By engaging with seminal texts or the most up-to-date findings in your field, you can situate your own research within the relevant academic context(s) or conversation(s).
• The literature review allows you to identify the research gap your project addresses: in other words, what you will add to discussions in your academic field.
• Finally, the literature review justifies the reason for your research. By exploring existing literature, you can highlight the relevance and purpose of your own research.

Q: What if I don't have a gap?

A:  It's normal to struggle with identifying a research gap. This can be particularly true if you are working in a highly saturated research area, broadly speaking: for example, if you are studying the links between nutrition and diabetes, or if you are studying Shakespeare.

The 'What to Avoid' tab explained that  miscalculating the scope  is a common mistake in literature reviews. If you are struggling to identify your gap, scope might be the culprit, particularly if you are working in a saturated field. Remember that the gap is the narrowest part of the funnel, the smallest nesting doll, the lowest step: this means your contribution in that giant academic conversation will need to be quite 'zoomed in':

This is not a valid gap →  Analysing Shakespeare's sonnets.

This might be a valid gap →  Conducting an ecocritical analysis of the visual motifs of Shakespeare's final five procreation sonnets (e.g. sonnets number thirteen to seventeen).

In the above example, the revised attempt to articulate a gap 'zooms in' by identifying a particular theoretical lens (e.g. ecocriticism), a specific convention to analyse (e.g. use of visual motifs), and a narrower object (e.g. five sonnets rather than all 150+). The field of Shakespeare studies might be crowded, but there is nonetheless room to make an original contribution.

Conversely, it might be difficult to identify the gap if you are working not in a saturated field, but in a brand new or niche research area. How can you situate your work within a relevant academic conversation if it seems like the 'conversation' is just you talking to yourself?

In these cases, rather than 'zooming in', you might find it helpful to 'zoom out'. If your topic is niche, think creatively about who will be interested in your results. Who would benefit from understanding your findings? Who could potentially apply them or build upon them? Thinking of this in interdisciplinary terms is helpful for some projects.

Tip:  Venn diagrams and mind maps are great ways to explore how  your research connects to, and diverges from, the existing literature.

Q: How many references should I use in my literature review?

A:  This question is risky to answer because the variations between individual projects and disciplines make it impossible to provide a universal answer. The fact is that one dissertation might have 50 more references than another, yet the two projects could be equally rigorous and successful in fulfilling their research aims.

With that warning in mind, let's consider a 'standard' dissertation of around 10K words. In that context, referencing 30 to 40 sources in your literature review tends to work well. Again, this is  not  a universally accurate rule, but a ballpark figure for you to contemplate. If the 30 to 40 estimate seems frighteningly high to you, do remember that many sources will be used sparingly rather than being mulled over at length. Consider this example:

In British GP practices, pharmaceutical treatment is most often prescribed for Health Condition XYZ ( Carlos, 2019; Jones, 2020 ; Li, 2022 ). Lifestyle modifications, such as physical exercise or meditation practices, have only recently...

When writing critically, it's important to validate findings across studies rather than trusting only one source. Therefore, this writer has cited three recent studies that agree about the claim being made. The writer will delve into other sources at more length, but here, it makes sense to cite the literature and move quickly along.

As you search the databases and start following the relevant trails of 'research bread crumbs', you will be surprised how quickly your reference list grows.

Q: What if there isn't enough relevant literature on my topic?

A: Think creatively about the literature you are using and engaging with. A good start is panning out to consider your topic more broadly: you might not identify articles that discuss your  exact  topic, but what can you discover if you shift your focus up one level?

Imagine, for example, that Norah is researching how artificial intelligence (AI) can be used to provide dance instruction. She discovers that no one has written about this topic. Rather than panicking, she breaks down her research question into its component parts to consider what research  might  exist.

• First, dance instruction: literature on how dance has traditionally been taught (i.e., not with AI) is still relevant because it will provide background and context. To appreciate the challenges or opportunities that transition to AI instruction might bring, we need to understand the status quo. Norah might also search for articles that analyse how other technological shifts have affected dance instruction: for example, how YouTube popularized at-home dance study, or how live video services like Zoom enabled real-time interaction between dance pupils and teachers despite physical distance.
• Next, artificial intelligence used for instruction: Norah can seek out research on, and examples of, the application of AI for instructive purposes. Even if those purposes don't involve dance, such literature can contribute to illustrating the broader context around Norah's project.
• Could it be relevant to discuss the technologies used to track an actor's real-life movements and convert them into the motions of a video game character? Perhaps there are parallels!
• Could it be relevant to explore research on applications of AI in creative writing and visual art? Could be relevant since dance is also a creative field!

In summary, don't panic if you can't find research on your  exact  question or topic. Think through the broader context and parallel ideas, and you will soon find what you need.

Q: What if my discipline doesn't require a literature review chapter?

A: This is a great question. Whilst many disciplines dictate that your dissertation should include a chapter called Literature Review , not all subjects follow this convention. Those subjects will still expect you to incorporate a range of external literature, but you will nest the sources under different headings.

For example, some disciplines dictate an introductory chapter that is longer than average, and you essentially nest a miniature literature review inside the introduction, itself. Although the writing is more condensed and falls under a subheading of the introduction, the techniques and principles of writing a literature review (for example, moving from the broad to the narrow) will still prove relevant.

Some disciplines include chapters with names like Background , History , Theoretical Framework , etc. The exact functions of such chapters differ, but they have this in common: reviewing literature. You can't provide a critical background or history without synthesizing external sources. To illustrate your theoretical framework, you need to synthesize a range of literature that defines the theory or theories you intend to use.

Therefore, as stated earlier in this guide, you should be prepared to review and synthesize a range of literature regardless of your discipline. You can tailor the purpose of that synthesis to the structure and demands of writing in your subject area.

Q: Does my literature review need to include every source I plan to use in my discussion chapter?

A: The short answer is 'no' - there are some situations in which it is okay to use a source in your discussion chapter that you didn't integrate into your literature review chapter.

Imagine, for example, that your study produced a surprising result: a finding that you didn't anticipate. To make sense of that result, you might need to conduct additional research. That new research will help you explain the unexpected result in your discussion chapter.

More often, however, your discussion will  draw on, or return to, sources from your literature review. After all, the literature review is where you paint a detailed picture of the conversation surrounding your research topic. Thus, it makes sense for you to relate your own work to that conversation in the discussion.

The literature review provides you an opportunity to engage with a rich range of published work and, perhaps for the first time, critically consider how your own research fits within and responds to your academic community. This can be a very invigorating process!

At the same time, it's likely that you will be juggling more academic sources than you have ever used in a single writing project. Additionally, you will need to think strategically about the focus and scope of your work: figuring out the best structure for your literature review might require several rounds of re-drafting and significant edits.

If you are usually a 'dive in without a plan and just get drafting' kind of writer, be prepared to modify your approach if you start to feel overwhelmed. Mind mapping, organising your ideas on a marker board, or creating a bullet-pointed reverse outline can help if you start to feel lost.

Alternately, if you are usually a 'create a strict, detailed outline and stick to it at all costs' kind of writer, keep in mind that long-form writing often calls for writers to modify their plans for content and structure as their work progresses and evolves. It can help such writers to schedule periodic 'audits' of their outlines, with the aim being to assess what is still working and what else needs to be added, deleted or modified.

Here’s a final checklist for writing your literature review. Remember that not all of these points will be relevant for your literature review, so make sure you cover whatever’s appropriate for your dissertation. The asterisk (*) indicates any content that might not be relevant for your dissertation. You can save your own copy of the checklist to edit using the Word document, below.

• Literature review self-evaluation checklist

• << Previous: Overview and Planning
• Next: The Methodology >>
• Last Updated: Apr 19, 2024 12:38 PM
• URL: https://library.soton.ac.uk/writing_the_dissertation

Literature Review Example/Sample

Detailed Walkthrough + Free Literature Review Template

If you’re working on a dissertation or thesis and are looking for an example of a strong literature review chapter , you’ve come to the right place.

In this video, we walk you through an A-grade literature review from a dissertation that earned full distinction . We start off by discussing the five core sections of a literature review chapter by unpacking our free literature review template . This includes:

• The literature review opening/ introduction section
• The theoretical framework (or foundation of theory)
• The empirical research
• The research gap
• The closing section

We then progress to the sample literature review (from an A-grade Master’s-level dissertation) to show how these concepts are applied in the literature review chapter. You can access the free resources mentioned in this video below.

PS – If you’re working on a dissertation, be sure to also check out our collection of dissertation and thesis examples here .

FAQ: Literature Review Example

Literature review example: frequently asked questions, is the sample literature review real.

Yes. The literature review example is an extract from a Master’s-level dissertation for an MBA program. It has not been edited in any way.

Can I replicate this literature review for my dissertation?

As we discuss in the video, every literature review will be slightly different, depending on the university’s unique requirements, as well as the nature of the research itself. Therefore, you’ll need to tailor your literature review to suit your specific context.

You can learn more about the basics of writing a literature review here .

Where can I find more examples of literature reviews?

The best place to find more examples of literature review chapters would be within dissertation/thesis databases. These databases include dissertations, theses and research projects that have successfully passed the assessment criteria for the respective university, meaning that you have at least some sort of quality assurance. 

The Open Access Thesis Database (OATD) is a good starting point. 

How do I get the literature review template?

You can access our free literature review chapter template here .

Is the template really free?

Yes. There is no cost for the template and you are free to use it as you wish. 

Psst… there’s more!

This post is an extract from our bestselling short course, Literature Review Bootcamp . If you want to work smart, you don't want to miss this .

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Literature reviews

Writing a literature review.

The following guide has been created for you by the  Student Learning Advisory Service . For more detailed guidance and to speak to one of our advisers, please book an  appointment  or join one of our  workshops . Alternatively, have a look at our  SkillBuilder  skills videos.   

Preparing a literature review involves:

• Searching for reliable, accurate and up-to-date material on a topic or subject
• Reading and summarising the key points from this literature
• Synthesising these key ideas, theories and concepts into a summary of what is known
• Discussing and evaluating these ideas, theories and concepts
• Identifying particular areas of debate or controversy
• Preparing the ground for the application of these ideas to new research

Finding and choosing material

Ensure you are clear on what you are looking for. ask yourself:.

• What is the specific question, topic or focus of my assignment?
• What kind of material do I need (e.g. theory, policy, empirical data)?
• What type of literature is available (e.g. journals, books, government documents)?

What kind of literature is particularly authoritative in this academic discipline (e.g. psychology, sociology, pharmacy)?

How much do you need?

This will depend on the length of the dissertation, the nature of the subject, and the level of study (undergraduate, Masters, PhD). As a very rough rule of thumb – you may choose 8-10 significant pieces (books and/or articles) for an 8,000 word dissertation, up to 20 major pieces of work for 12-15,000 words, and so on. Bear in mind that if your dissertation is based mainly around an interaction with existing scholarship you will need a longer literature review than if it is there as a prelude to new empirical research. Use your judgement or ask your supervisor for guidance.

Where to find suitable material

Your literature review should include a balance between substantial academic books, journal articles and other scholarly publications. All these sources should be as up-to-date as possible, with the exception of ‘classic texts’ such as major works written by leading scholars setting out formative ideas and theories central to your subject. There are several ways to locate suitable material:

Module bibliography: for undergraduate dissertations, look first at the bibliography provided with the module documentation. Choose one or two likely looking books or articles and then scan through the bibliographies provided by these authors. Skim read some of this material looking for clues: can you use these leads to identify key theories and authors or track down other appropriate material?

Library catalogue search engine: enter a few key words to capture a range of items, but avoid over-generalisations; if you type in something as broad as ‘social theory’ you are likely to get several thousand results. Be more specific: for example, ‘Heidegger, existentialism’. Ideally, you should narrow the field to obtain just a few dozen results. Skim through these quickly to identity texts which are most likely to contribute to your study.

Library bookshelves: browse the library shelves in the relevant subject area and examine the books that catch your eye. Check the contents and index pages, or skim through the introductions (or abstracts, in the case of journal articles) to see if they contain relevant material, and replace them if not. Don’t be afraid to ask one of the subject librarians for further help. Your supervisor may also be able to point you in the direction of some of the important literature , but remember this is your literature search, not theirs.

Online: for recent journal articles you will almost certainly need to use one of the online search engines. These can be found on the ‘Indexing Services’ button on the Templeman Library website. Kent students based at Medway still need to use the Templeman pages to access online journals, although you can get to these pages through the Drill Hall Library catalogue. Take a look as well at the Subject Guides on both the Templeman and DHL websites.

Check that you have made the right selection by asking:

• Has my search been wide enough to ensure that I have identified all the relevant material, but narrow enough to exclude irrelevant material?
• Is there a good enough sample of literature for the level (PhD, Masters, undergraduate) of my dissertation or thesis?
• Have I considered as many alternative points of view as possible?
• Will the reader find my literature review relevant and useful?

Assessing the literature

Read the material you have chosen carefully, considering the following:

• The key point discussed by the author: is this clearly defined
• What evidence has the author produced to support this central idea?
• How convincing are the reasons given for the author’s point of view?
• Could the evidence be interpreted in other ways?
• What is the author's research method (e.g. qualitative, quantitative, experimental, etc.)?
• What is the author's theoretical framework (e.g. psychological, developmental, feminist)?
• What is the relationship assumed by the author between theory and practice?
• Has the author critically evaluated the other literature in the field?
• Does the author include literature opposing their point of view?
• Is the research data based on a reliable method and accurate information?
• Can you ‘deconstruct’ the argument – identify the gaps or jumps in the logic?
• What are the strengths and limitations of this study?
• What does this book or article contribute to the field or topic?
• What does this book or article contribute to my own topic or thesis?

As you note down the key content of each book or journal article (together with the reference details of each source) record your responses to these questions. You will then be able to summarise each piece of material from two perspectives:     

Content: a brief description of the content of the book or article. Remember, an author will often make just one key point; so, what is the point they are making, and how does it relate to your own research project or assignment?

Critical analysis: an assessment of the relative strengths and weaknesses of the evidence used, and the arguments presented. Has anything conveniently been left out or skated over? Is there a counter-argument, and has the author dealt with this adequately? Can the evidence presented be interpreted another way? Does the author demonstrate any obvious bias which could affect their reliability? Overall, based on the above analysis of the author’s work, how do you evaluate its contribution to the scholarly understanding and knowledge surrounding the topic?    

Structuring the literature review

In a PhD thesis, the literature review typically comprises one chapter (perhaps 8-10,000 words), for a Masters dissertation it may be around 2-3,000 words, and for an undergraduate dissertation it may be no more than 2,000 words. In each case the word count can vary depending on a range of factors and it is always best, if in doubt, to ask your supervisor.

The overall structure of the section or chapter should be like any other: it should have a beginning, middle and end. You will need to guide the reader through the literature review, outlining the strategy you have adopted for selecting the books or articles, presenting the topic theme for the review, then using most of the word limit to analyse the chosen books or articles thoroughly before pulling everything together briefly in the conclusion.

Some people prefer a less linear approach. Instead of simply working through a list of 8-20 items on your book review list, you might want to try a thematic approach, grouping key ideas, facts, concepts or approaches together and then bouncing the ideas off each other. This is a slightly more creative (and interesting) way of producing the review, but a little more risky as it is harder to establish coherence and logical sequencing.

Whichever approach you adopt, make sure everything flows smoothly – that one idea or book leads neatly to the next. Take your reader effortlessly through a sequence of thought that is clear, accurate, precise and interesting. 

Writing up your literature review

As with essays generally, only attempt to write up the literature review when you have completed all the reading and note-taking, and carefully planned its content and structure. Find an appropriate way of introducing the review, then guide the reader through the material clearly and directly, bearing in mind the following:

• Be selective in the number of points you draw out from each piece of literature; remember that one of your objectives is to demonstrate that you can use your judgement to identify what is central and what is secondary.
• Summarise and synthesise – use your own words to sum up what you think is important or controversial about the book or article.
• Never claim more than the evidence will support. Too many dissertations and theses are let down by sweeping generalisations. Be tentative and careful in the way you interpret the evidence.
• Keep your own voice – you are entitled to your own point of view provided it is based on evidence and clear argument.
• At the same time, aim to project an objective and tentative tone by using the 3rd person, (for example, ‘this tends to suggest’, ‘it could be argued’ and so on).
• Even with a literature review you should avoid using too many, or overlong, quotes. Summarise material in your own words as much as possible. Save the quotes for ‘punch-lines’ to drive a particular point home.
• Revise, revise, revise: refine and edit the draft as much as you can. Check for fluency, structure, evidence, criticality and referencing, and don’t forget the basics of good grammar, punctuation and spelling.

How to Write a Master's Thesis: A Guide to Planning Your Thesis, Pursuing It, and Avoiding Pitfalls

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Part 1: Initial Considerations

Who needs to write a master’s thesis.

Thesis writing is one of the more daunting challenges of higher education. That being said, not all master's students have to write a thesis. For example, fields that place a stronger emphasis on applied knowledge, such as nursing, business, and education, tend to have projects and exams to test students on the skills and abilities associated with those fields. Conversely, in disciplines that require in-depth research or highly polished creative abilities, students are usually expected to prove their understanding and independence with a thesis.

What's Your Goal?

Do you want to write a thesis? The process is a long one, often spanning years. It's best to know exactly what you want before you begin. Many people are motivated by career goals. For example, hiring managers may see a master's degree as proof that the candidate is an expert within their field and can lead, motivate, and demonstrate initiative for themselves and others. Others dream of earning their doctorate, and they see a master's degree as a stepping stone toward their Ph.D .

No matter what your desired goal is, you should have one before you start your thesis. With your goal in mind, your work will have a purpose, which will allow you to measure your progress more easily.

Major Types of Theses

Once you've carefully researched or even enrolled in a master's program—a feat that involves its own planning and resources —you should know if you are expected to produce a quantitative (which occurs in many math and science programs), qualitative (which occurs in many humanities programs), or creative (which occurs in many creative writing, music, or fine arts programs) thesis.

Time and Energy Considerations

Advanced degrees are notoriously time and energy consuming. If you have a job, thesis writing will become your second job. If you have a family, they will need to know that your thesis will take a great deal of your attention, energy, and focus.

Your studies should not consume you, but they also should not take a back seat to everything else. You will be expected to attend classes, conduct research, source relevant literature, and schedule meetings with various people as you pursue your master's, so it's important to let those you care about know what's going on.

As a general note, most master's programs expect students to finish within a two-year period but are willing to grant extra time if requested, especially if that time is needed to deal with unexpected life events (more on those later).

Part 2: Form an Initial Thesis Question, and Find a Supervisor

When to begin forming your initial thesis question.

Some fields, such as history, may require you to have already formed your thesis question and to have used it to create a statement of intent (outlining the nature of your research) prior to applying to a master’s program. Others may require this information only after you've been accepted. Most of the time, you will be expected to come up with your topic yourself. However, in some disciplines, your supervisor may assign a general research topic to you.

Overall, requirements vary immensely from program to program, so it's best to confirm the exact requirements of your specific program.

What to Say to Your Supervisor

You will have a supervisor during your master's studies. Have you identified who that person will be? If yes, have you introduced yourself via email or phone and obtained information on the processes and procedures that are in place for your master's program? Once you've established contact, request an in-person meeting with him or her, and take a page of questions along with you. Your questions might include:

• Is there a research subject you can recommend in my field?
• I would like to pursue [target research subject] for my thesis. Can you help me narrow my focus?
• Can you give me an example of a properly formatted thesis proposal for my program?

Don't Be Afraid to Ask for Help (to a Degree)

Procedures and expectations vary from program to program, and your supervisor is there to help remove doubt and provide encouragement so you can follow the right path when you embark on writing your thesis. Since your supervisor has almost certainly worked with other graduate students (and was one at some point), take advantage of their experience, and ask questions to put your mind at ease about how to write a master’s thesis.

That being said, do not rely too heavily on your supervisor. As a graduate student, you are also expected to be able to work independently. Proving your independent initiative and capacity is part of what will earn you your master's degree.

Part 3: Revise Your Thesis

Read everything you can get your hands on.

Whether you have a question or need to create one, your next step is simple and applies to all kinds of theses: read.

Seek Out Knowledge or Research Gaps

Read everything you can that relates to the question or the field you are studying. The only way you will be able to determine where you can go is to see where everyone else has been. After you have read some published material, you will start to spot gaps in current research or notice things that could be developed further with an alternative approach. Things that are known but not understood or understood but not explained clearly or consistently are great potential thesis subjects. Addressing something already known from a new perspective or with a different style could also be a potentially valuable project. Whichever way you choose to do it, keep in mind that your project should make a valuable contribution to your field.

Talk with Experts in Your Field (and Don't Be Afraid to Revise Your Thesis)

To help narrow down your thesis topic, talk to your supervisor. Your supervisor will have an idea of what is current in your field and what can be left alone because others are already working on it. Additionally, the school you are attending will have programs and faculty with particular areas of interest within your chosen field.

On a similar note, don't be surprised if your thesis question changes as you study. Other students and researchers are out there, and as they publish, what you are working on can change. You might also discover that your question is too vague, not substantial enough, or even no longer relevant. Do not lose heart! Take what you know and adjust the question to address these concerns as they arise. The freedom to adapt is part of the power you hold as a graduate student.

Part 4: Select a Proposal Committee

What proposal committees are and why they're useful.

When you have a solid question or set of questions, draft a proposal.

You'll need an original stance and a clear justification for asking, and answering, your thesis question. To ensure this, a committee will review your thesis proposal. Thankfully, that committee will consist of people assigned by your supervisor or department head or handpicked by you. These people will be experts who understand your field of study and will do everything in their power to ensure that you are pursuing something worthwhile. And yes, it is okay to put your supervisor on your committee. Some programs even require that your supervisor be on your committee.

Just remember that the committee will expect you to schedule meetings with them, present your proposal, respond to any questions they might have for you, and ultimately present your findings and thesis when all the work is done. Choose those who are willing to support you, give constructive feedback, and help address issues with your proposal. And don't forget to give your proposal a good, thorough edit and proofread before you present it.

How to Prepare for Committee Meetings

Be ready for committee meetings with synopses of your material for committee members, answers for expected questions, and a calm attitude. To prepare for those meetings, sit in on proposal and thesis defenses so you can watch how other graduate students handle them and see what your committee might ask of you. You can even hold rehearsals with friends and fellow students acting as your committee to help you build confidence for your presentation.

Part 5: Write Your Thesis

What to do once your proposal is approved.

After you have written your thesis proposal and received feedback from your committee, the fun part starts: doing the work. This is where you will take your proposal and carry it out. If you drafted a qualitative or quantitative proposal, your experimentation or will begin here. If you wrote a creative proposal, you will now start working on your material. Your proposal should be strong enough to give you direction when you perform your experiments, conduct interviews, or craft your work. Take note that you will have to check in with your supervisor from time to time to give progress updates.

Thesis Writing: It's Important to Pace Yourself and Take Breaks

Do not expect the work to go quickly. You will need to pace yourself and make sure you record your progress meticulously. You can always discard information you don't need, but you cannot go back and grab a crucial fact that you can't quite remember. When in doubt, write it down. When drawing from a source, always create a citation for the information to save your future self time and stress. In the same sense, you may also find journaling to be a helpful process.

Additionally, take breaks and allow yourself to step away from your thesis, even if you're having fun (and especially if you're not). Ideally, your proposal should have milestones in it— points where you can stop and assess what you've already completed and what's left to do. When you reach a milestone, celebrate. Take a day off and relax. Better yet, give yourself a week's vacation! The rest will help you regain your focus and ensure that you function at your best.

How to Become More Comfortable with Presenting Your Work

Once you start reaching your milestones, you should be able to start sharing what you have. Just about everyone in a graduate program has experience giving a presentation at the front of the class, attending a seminar, or watching an interview. If you haven't (or even if you have), look for conferences and clubs that will give you the opportunity to learn about presenting your work and become comfortable with the idea of public speaking. The more you practice talking about what you are studying, the more comfortable you'll be with the information, which will make your committee defenses and other official meetings easier.

Published authors can be called upon to present at conferences, and if your thesis is strong, you may receive an email or a phone call asking if you would share your findings onstage.

Presenting at conferences is also a great way to boost your CV and network within your field. Make presenting part of your education, and it will become something you look forward to instead of fear.

What to Do If Your Relationship with Your Supervisor Sours

A small aside: If it isn't already obvious, you will be communicating extensively with others as you pursue your thesis. That also means that others will need to communicate with you, and if you've been noticing things getting quiet, you will need to be the one to speak up. Your supervisor should speak to you at least once a term and preferably once a week in the more active parts of your research and writing. If you give written work to your supervisor, you should have feedback within three weeks.

If your supervisor does not provide feedback, frequently misses appointments, or is consistently discouraging of your work, contact your graduate program advisor and ask for a new supervisor. The relationship with your supervisor is crucial to your success, especially if she or he is on your committee, and while your supervisor does not have to be friendly, there should at least be professional respect between you.

What to Do If a Crisis Strikes

If something happens in your life that disrupts everything (e.g., emotional strain, the birth of a child, or the death of a family member), ask for help. You are a human being, and personal lives can and do change without warning. Do not wait until you are falling apart before asking for help, either. Learn what resources exist for crises before you have one, so you can head off trauma before it hits. That being said, if you get blindsided, don't refuse help. Seek it out, and take the time you need to recover. Your degree is supposed to help you become a stronger and smarter person, not break you.

Part 6: Polish and Defend Your Master's Thesis

How to write a master’s thesis: the final stages.

After your work is done and everything is written down, you will have to give your thesis a good, thorough polishing. This is where you will have to organize the information, draft it into a paper format with an abstract, and abbreviate things to help meet your word-count limit. This is also where your final editing and proofreading passes will occur, after which you will face your final hurdle: presenting your thesis defense to your committee. If they approve your thesis, then congratulations! You are now a master of your chosen field.

Conclusion and Parting Thoughts

Remember that you do not (and should not) have to learn how to write a master’s thesis on your own. Thesis writing is collaborative, as is practically any kind of research.

While you will be expected to develop your thesis using your own initiative, pursue it with your own ambition, and complete it with your own abilities, you will also be expected to use all available resources to do so. The purpose of a master's thesis is to help you develop your own independent abilities, ensuring that you can drive your own career forward without constantly looking to others to provide direction. Leaders get master's degrees. That's why many business professionals in leadership roles have graduate degree initials after their last names. If you already have the skills necessary to motivate yourself, lead others, and drive change, you may only need your master's as an acknowledgement of your abilities. If you do not, but you apply yourself carefully and thoroughly to the pursuit of your thesis, you should come away from your studies with those skills in place.

A final thought regarding collaboration: all theses have a section for acknowledgements. Be sure to say thank you to those who helped you become a master. One day, someone might be doing the same for you.

Image source: Falkenpost/Pixabay.com 

We’re Masters at Master’s Theses! Make Yours Shine.

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A Scribendi in-house editor, Anthony is happily putting his BA in English from Western University to good use with thoughtful feedback and incisive editing. An avid reader and gamer, he can be found during his off hours enjoying narrative-driven games and obscure and amusing texts, as well as cooking for his family.

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