literature review synthesis template

The Sheridan Libraries

• Write a Literature Review
• Sheridan Libraries
• Find This link opens in a new window
• Evaluate This link opens in a new window

Get Organized

• Lit Review Prep Use this template to help you evaluate your sources, create article summaries for an annotated bibliography, and a synthesis matrix for your lit review outline.

Synthesize your Information

Synthesize: combine separate elements to form a whole.

Synthesis Matrix

A synthesis matrix helps you record the main points of each source and document how sources relate to each other.

After summarizing and evaluating your sources, arrange them in a matrix or use a citation manager to help you see how they relate to each other and apply to each of your themes or variables.  

By arranging your sources by theme or variable, you can see how your sources relate to each other, and can start thinking about how you weave them together to create a narrative.

• Step-by-Step Approach
• Example Matrix from NSCU
• Matrix Template
• << Previous: Summarize
• Next: Integrate >>
• Last Updated: Sep 26, 2023 10:25 AM
• URL: https://guides.library.jhu.edu/lit-review

• University of Oregon Libraries
• Research Guides

How to Write a Literature Review

• 6. Synthesize
• Literature Reviews: A Recap
• Reading Journal Articles
• Does it Describe a Literature Review?
• 1. Identify the Question
• 2. Review Discipline Styles
• Searching Article Databases
• Finding Full-Text of an Article
• Citation Chaining
• When to Stop Searching
• 4. Manage Your References
• 5. Critically Analyze and Evaluate

Synthesis Visualization

Synthesis matrix example.

• 7. Write a Literature Review

• Synthesis Worksheet

About Synthesis

Approaches to synthesis.

You can sort the literature in various ways, for example:

How to Begin?

Read your sources carefully and find the main idea(s) of each source

Look for similarities in your sources – which sources are talking about the same main ideas? (for example, sources that discuss the historical background on your topic)

Use the worksheet (above) or synthesis matrix (below) to get organized

This work can be messy. Don't worry if you have to go through a few iterations of the worksheet or matrix as you work on your lit review!

Four Examples of Student Writing

In the four examples below, only ONE shows a good example of synthesis: the fourth column, or  Student D . For a web accessible version, click the link below the image.

Long description of "Four Examples of Student Writing" for web accessibility

• Download a copy of the "Four Examples of Student Writing" chart

Click on the example to view the pdf.

From Jennifer Lim

• << Previous: 5. Critically Analyze and Evaluate
• Next: 7. Write a Literature Review >>
• Last Updated: Jan 10, 2024 4:46 PM
• URL: https://researchguides.uoregon.edu/litreview

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Write a Literature Review

• Find This link opens in a new window

Get Organized

• Lit Review Prep Use this template to help you evaluate your sources, create article summaries for an annotated bibliography, and a synthesis matrix for your lit review outline.

Synthesize your Information

Synthesize: combine separate elements to form a whole.

Synthesis Matrix

A synthesis matrix helps you record the main points of each source and document how sources relate to each other.  After summarizing and evaluating your sources, arrange them in a matrix to help you see how they relate to each other, and apply to each of your themes or variables.  By arranging your sources in a matrix by theme or variable, you can see how your sources relate to each other, and can start thinking about how you weave them together to create a narrative.

• Step-by-Step Approach
• Example Matrix from NSCU
• Matrix Template
• << Previous: Summarize
• Next: Integrate >>
• Last Updated: Oct 11, 2023 12:20 PM
• URL: https://libraryguides.goucher.edu/literature-review

Literature Reviews

• 5. Synthesize your findings
• Getting started
• Types of reviews
• 1. Define your research question
• 2. Plan your search
• 3. Search the literature
• 4. Organize your results

How to synthesize

Approaches to synthesis.

• 6. Write the review
• Artificial intelligence (AI) tools
• Thompson Writing Studio This link opens in a new window
• Need to write a systematic review? This link opens in a new window

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In the synthesis step of a literature review, researchers analyze and integrate information from selected sources to identify patterns and themes. This involves critically evaluating findings, recognizing commonalities, and constructing a cohesive narrative that contributes to the understanding of the research topic.

Here are some examples of how to approach synthesizing the literature:

💡 By themes or concepts

🕘 Historically or chronologically

📊 By methodology

These organizational approaches can also be used when writing your review. It can be beneficial to begin organizing your references by these approaches in your citation manager by using folders, groups, or collections.

Create a synthesis matrix

A synthesis matrix allows you to visually organize your literature.

Topic: ______________________________________________

Topic: Chemical exposure to workers in nail salons

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• Last Updated: Apr 3, 2024 12:40 PM
• URL: https://guides.library.duke.edu/lit-reviews

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Literature Review: A Self-Guided Tutorial for NUR 288

• Literature Reviews: A Recap
• Peer-Review
• Reading the Literature
• Developing Research Questions
• 2. Review discipline styles
• Super Searching
• Finding the Full Text
• Citation Searching
• Evaluating online information
• When to stop searching
• How to cite your sources following APA
• In-Text Citations
• Keeping track of your references
• Annotating Articles Tip
• 5. Critically analyze and evaluate
• How to review the literature

Using a synthesis matrix

• 7. Write literature review

Synthesize : combine separate elements to form a whole.

Why use a synthesis matrix? 

• A synthesis matrix helps you record the main points of each source and document how sources relate to each other.
• After summarizing and evaluating your sources, arrange them in a matrix or use a citation manager to help you see how they relate to each other and apply to each of your themes or variables.  
• By arranging your sources by theme or variable, you can see how your sources relate to each other, and can start thinking about how you weave them together to create a narrative.

A synthesis matrix visually represents your research by organizing your sources by themes:

Add each article citation to the Source column and begin to identify the theme(s) from the article. 

Use the Excel template below to help you evaluate your sources, create article summaries for an annotated bibliography, and a synthesis matrix for your lit review outline. From John Hopkins Sheridan Libraries.  

NOTE : There are several tabs at the bottom of the Excel spreadsheet to help guide you with this method.

• Literature Review Prep - with Synthesis Matrix
• << Previous: How to review the literature
• Next: 7. Write literature review >>
• Last Updated: Feb 20, 2024 3:50 PM
• URL: https://libguides.wccnet.edu/literature_review

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Writing a Literature Review

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

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

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

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

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

What are the parts of a lit review?

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

Introduction:

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

Conclusion:

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

How should I organize my lit review?

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

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

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

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

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

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

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

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

• Research Guides

Literature Review: A Self-Guided Tutorial

Using a synthesis matrix.

• Literature Reviews: A Recap
• Peer Review
• Reading the Literature
• Using Concept Maps
• Developing Research Questions
• Considering Strong Opinions
• 2. Review discipline styles
• Super Searching
• Finding the Full Text
• Citation Searching This link opens in a new window
• When to stop searching
• Citation Management
• Annotating Articles Tip
• 5. Critically analyze and evaluate
• How to Review the Literature
• 7. Write literature review

A synthesis matrix visually represents your research by organizing your sources by themes:

• Sample Synthesis Matrix Example provided by Ashford University Writing Center .
• << Previous: How to Review the Literature
• Next: 7. Write literature review >>
• Last Updated: Feb 22, 2024 10:53 AM
• URL: https://libguides.williams.edu/literature-review

• Herron School of Art
• Ruth Lilly Law
• Ruth Lilly Medical
• School of Dentistry

Literature Review - A Self-Guided Tutorial

• Literature Reviews: A Recap
• Reading Journal Articles
• Does it describe a Literature Review?
• 1. Identify the question
• 2. Review discipline styles
• Searching article databases - video
• Finding the article full-text
• Citation chaining
• When to stop searching
• 4. Manage your references
• 5. Critically analyze and evaluate
• 6. Synthesize
• 7. Write literature review

Who's My Librarian?

Locate your University Library's subject librarian  for personalized assistance.

Students doing research in specific areas may also request assistance at other IUPUI libraries:

• IU School of Dentistry Library
• Ruth Lilly Law Library
• Ruth Lilly Medical Library  

You can sort the literature in various ways, for example:

Synthesis Matrix Example

From Jennifer Lim

• << Previous: 5. Critically analyze and evaluate
• Next: 7. Write literature review >>
• Last Updated: Jun 15, 2023 8:24 AM
• URL: https://iupui.libguides.com/literaturereview

Literature Review Basics

• What is a Literature Review?
• Synthesizing Research
• Using Research & Synthesis Tables
• Additional Resources

About the Research and Synthesis Tables

Research Tables and Synthesis Tables are useful tools for organizing and analyzing your research as you assemble your literature review. They represent two different parts of the review process: assembling relevant information and synthesizing it. Use a Research table to compile the main info you need about the items you find in your research -- it's a great thing to have on hand as you take notes on what you read! Then, once you've assembled your research, use the Synthesis table to start charting the similarities/differences and major themes among your collected items.

We've included an Excel file with templates for you to use below; the examples pictured on this page are snapshots from that file.

• Research and Synthesis Table Templates This Excel workbook includes simple templates for creating research tables and synthesis tables. Feel free to download and use!

Using the Research Table

This is an example of a  research table,  in which you provide a basic description of the most important features of the studies, articles, and other items you discover in your research. The table identifies each item according to its author/date of publication, its purpose or thesis, what type of work it is (systematic review, clinical trial, etc.), the level of evidence it represents (which tells you a lot about its impact on the field of study), and its major findings. Your job, when you assemble this information, is to develop a snapshot of what the research shows about the topic of your research question and assess its value (both for the purpose of your work and for general knowledge in the field).

Think of your work on the research table as the foundational step for your analysis of the literature, in which you assemble the information you'll be analyzing and lay the groundwork for thinking about what it means and how it can be used.

Using the Synthesis Table

This is an example of a  synthesis table  or  synthesis matrix , in which you organize and analyze your research by listing each source and indicating whether a given finding or result occurred in a particular study or article ( each row lists an individual source, and each finding has its own column, in which X = yes, blank = no). You can also add or alter the columns to look for shared study populations, sort by level of evidence or source type, etc. The key here is to use the table to provide a simple representation of what the research has found (or not found, as the case may be). Think of a synthesis table as a tool for making comparisons, identifying trends, and locating gaps in the literature.

How do I know which findings to use, or how many to include?  Your research question tells you which findings are of interest in your research, so work from your research question to decide what needs to go in each Finding header, and how many findings are necessary. The number is up to you; again, you can alter this table by adding or deleting columns to match what you're actually looking for in your analysis. You should also, of course, be guided by what's actually present in the material your research turns up!

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• Next: Additional Resources >>
• Last Updated: Sep 26, 2023 12:06 PM
• URL: https://usi.libguides.com/literature-review-basics

What’s Included: Literature Review Template

This template is structure is based on the tried and trusted best-practice format for formal academic research projects such as dissertations and theses. The literature review template includes the following sections:

• Before you start – essential groundwork to ensure you’re ready
• The introduction section
• The core/body section
• The conclusion /summary
• Extra free resources

Each section is explained in plain, straightforward language , followed by an overview of the key elements that you need to cover. We’ve also included practical examples and links to more free videos and guides to help you understand exactly what’s required in each section.

The cleanly-formatted Google Doc can be downloaded as a fully editable MS Word Document (DOCX format), so you can use it as-is or convert it to LaTeX.

PS – if you’d like a high-level template for the entire thesis, you can we’ve got that too .

FAQs: Literature Review Template

What format is the template (doc, pdf, ppt, etc.).

The literature review chapter template is provided as a Google Doc. You can download it in MS Word format or make a copy to your Google Drive. You’re also welcome to convert it to whatever format works best for you, such as LaTeX or PDF.

What types of literature reviews can this template be used for?

The template follows the standard format for academic literature reviews, which means it will be suitable for the vast majority of academic research projects (especially those within the sciences), whether they are qualitative or quantitative in terms of design.

Keep in mind that the exact requirements for the literature review chapter will vary between universities and degree programs. These are typically minor, but it’s always a good idea to double-check your university’s requirements before you finalize your structure.

Is this template for an undergrad, Master or PhD-level thesis?

This template can be used for a literature review at any level of study. Doctoral-level projects typically require the literature review to be more extensive/comprehensive, but the structure will typically remain the same.

Can I modify the template to suit my topic/area?

Absolutely. While the template provides a general structure, you should adapt it to fit the specific requirements and focus of your literature review.

What structural style does this literature review template use?

The template assumes a thematic structure (as opposed to a chronological or methodological structure), as this is the most common approach. However, this is only one dimension of the template, so it will still be useful if you are adopting a different structure.

Does this template include the Excel literature catalog?

No, that is a separate template, which you can download for free here . This template is for the write-up of the actual literature review chapter, whereas the catalog is for use during the literature sourcing and sorting phase.

How long should the literature review chapter be?

This depends on your university’s specific requirements, so it’s best to check with them. As a general ballpark, literature reviews for Masters-level projects are usually 2,000 – 3,000 words in length, while Doctoral-level projects can reach multiples of this.

Can I include literature that contradicts my hypothesis?

Yes, it’s important to acknowledge and discuss literature that presents different viewpoints or contradicts your hypothesis. So, don’t shy away from existing research that takes an opposing view to yours.

How do I avoid plagiarism in my literature review?

Always cite your sources correctly and paraphrase ideas in your own words while maintaining the original meaning. You can always check our plagiarism score before submitting your work to help ease your mind. 

Do you have an example of a populated template?

We provide a walkthrough of the template and review an example of a high-quality literature research chapter here .

Can I share this literature review template with my friends/colleagues?

Yes, you’re welcome to share this template in its original format (no editing allowed). If you want to post about it on your blog or social media, all we ask is that you reference this page as your source.

Do you have templates for the other dissertation/thesis chapters?

Yes, we do. You can find our full collection of templates here .

Can Grad Coach help me with my literature review?

Yes, you’re welcome to get in touch with us to discuss our private coaching services , where we can help you work through the literature review chapter (and any other chapters).

Writing a Literature Review: Organize, Synthesize, Evaluate

• Literature Review Process
• Literature Search
• Record your Search
• Organize, Synthesize, Evaluate
• Getting help

Table of Contents

On this page you will find:

Organizing Literature and Notes

How to scan an article.

• Reading for Comprehension
• Synthesis Matrix Information

Steps to take in organizing your literature and notes:

• Find common themes and organize the works into categories.
• Develop a subject level outline with studies you’ve found
• Expand or limit your search based on the information you found.
• How the works in each category relate to each other
• How the categories relate to each other and to your overall theme.

Available tools:

• Synthesis Matrix The "synthesis matrix" is an approach to organizing, monitoring, and documenting your search activities.
• Concept Mapping Concept Maps are graphic representations of topics, ideas, and their relationships. They allow users to group information in related modules so that the connections between and among the modules become more readily apparent than they might from an examination of a list. It can be done on paper or using specific software.
• Mind Mapping A mind map is a visual representation of hierarchical information that includes a central idea surrounded by connected branches of associated topics.
• NVIVO NVIVO is a qualitative data analysis software that can be applied for engineering literature review.

Synthesis Matrix

• Writing A Literature Review and Using a Synthesis Matrix Writing Center, Florida International University
• The Matrix Method of Literature Reviews Article from Health Promotion Practice journal.

Sample synthesis matrix

Synthesis matrix video

Skim the article to get the “big picture” for relevancy to your topic. You don’t have to understand every single idea in a text the first time you read it.

• Where was the paper published?
• What kind of journal it is? Is the journal peer-reviewed?
• Can you tell what the paper is about?
• Where are they from?
• What are the sections of the article?
• Are these clearly defined?  
• Can you figure out the purpose of the study, methodology, results and conclusion?
• Mentally review what you know about the topic
• Do you know enough to be able to understand the paper? If not, first read about the unfamiliar concepts  
• What is the overall context?
• Is the problem clearly stated?
• What does the paper bring new?
• Did it miss any previous major studies?
• Identify all the author’s assumptions.  
• Analyze the visuals for yourself and try to understand each of them. Make notes on what you understand. Write questions of what you do not understand. Make a guess about what materials/methods you expect to see. Do your own data interpretation and check them against the conclusions.  
• Do you agree with the author’s opinion?
• As you read, write down terms, techniques, unfamiliar concepts and look them up  
• Save retrieved sources to a reference manager

Read for Comprehension and Take Notes

Read for comprehension

• After first evaluation of sources, critically read the selected sources. Your goal is to determine how much of it to accept, determine its value, and decide whether you plan to include it in your literature review.
• Read the whole article, section by section but not necessarily in order and make sure you understand:

Introduction : What is known about the research and what is still unknown. Methods : What was measured? How was measured? Were the measurement appropriate? Did they offer sufficient evidence? Results : What is the main finding? Were there enough data presented? Were there problems not addressed? Discussions : Are these conclusions appropriate? Are there other factors that might have influenced? What does it need to be done to answer remaining questions?

• Find answers to your question from first step
• Formulate new questions and try to answer them
• Can you find any discrepancies? What would you have done differently?
• Re-read the whole article or just sections as many times you feel you need to
• When you believe that you have understood the article, write a summary in your own words (Make sure that there is nothing left that you cannot understand)

As you read, take (extensive) notes. Create your own system to take notes but be consistent. Remember that notes can be taken within the citation management tool.

What to write in your notes:

• identify key topic, methodology, key terms
• identify emphases, strengths, weaknesses, gaps (if any)
• determine relationships to other studies
• identify the relationship to your research topic
• new questions you have  
• suggestions for new directions, new sources to read
• everything else that seems relevant
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• Next: Writing >>
• Last Updated: Jan 5, 2024 9:17 AM
• URL: https://libguides.wpi.edu/c.php?g=1134107

How can we help?

• [email protected]
• Consultation
• 508-831-5410

How to Write a Literature Review - A Self-Guided Tutorial

• Literature Reviews: A Recap
• Reading Journal Articles
• Does it describe a Literature Review?
• 1. Identify the question
• 2. Review discipline styles
• Searching article databases - video
• Finding the article full-text
• Citation trails
• When to stop searching
• Citation Managers
• 5. Critically analyze and evaluate
• 6. Synthesize
• 7. Write literature review
• Additional Resources

You can meet with a librarian to talk about your literature review, or other library-related topics.

You can sort the literature in various ways, for example:

Synthesis Vizualization

Four examples of student writing.

In the four examples below, only ONE shows a good example of synthesis: the fourth column, or  Student D . For a web accessible version, click the link below the image.

Long description of "Four Examples of Student Writing" for web accessibility

• Download a copy of the "Four Examples of Student Writing" chart

Synthesis Matrix Example

From Jennifer Lim

Synthesis Templates

Synthesis grids are organizational tools used to record the main concepts of your sources and can help you make connections about how your sources relate to one another.

• Source Template Basic Literature Review Source Template from Walden University Writing Center to help record the main findings and concepts from different articles.
• Sample Literature Review Grids This spreadsheet contains multiple tabs with different grid templates. Download or create your own copy to begin recording notes.
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• Next: 7. Write literature review >>
• Last Updated: Mar 7, 2024 2:05 PM
• URL: https://libguides.ucmerced.edu/literature-review

Library Guides

Literature reviews: synthesis.

• Criticality

Synthesise Information

So, how can you create paragraphs within your literature review that demonstrates your knowledge of the scholarship that has been done in your field of study?  

You will need to present a synthesis of the texts you read.  

Doug Specht, Senior Lecturer at the Westminster School of Media and Communication, explains synthesis for us in the following video:  

Synthesising Texts  

What is synthesis? 

Synthesis is an important element of academic writing, demonstrating comprehension, analysis, evaluation and original creation.  

With synthesis you extract content from different sources to create an original text. While paraphrase and summary maintain the structure of the given source(s), with synthesis you create a new structure.  

The sources will provide different perspectives and evidence on a topic. They will be put together when agreeing, contrasted when disagreeing. The sources must be referenced.  

Perfect your synthesis by showing the flow of your reasoning, expressing critical evaluation of the sources and drawing conclusions.  

When you synthesise think of "using strategic thinking to resolve a problem requiring the integration of diverse pieces of information around a structuring theme" (Mateos and Sole 2009, p448). 

Synthesis is a complex activity, which requires a high degree of comprehension and active engagement with the subject. As you progress in higher education, so increase the expectations on your abilities to synthesise. 

How to synthesise in a literature review: 

Identify themes/issues you'd like to discuss in the literature review. Think of an outline.  

Read the literature and identify these themes/issues.  

Critically analyse the texts asking: how does the text I'm reading relate to the other texts I've read on the same topic? Is it in agreement? Does it differ in its perspective? Is it stronger or weaker? How does it differ (could be scope, methods, year of publication etc.). Draw your conclusions on the state of the literature on the topic.  

Start writing your literature review, structuring it according to the outline you planned.  

Put together sources stating the same point; contrast sources presenting counter-arguments or different points.  

Present your critical analysis.  

Always provide the references. 

The best synthesis requires a "recursive process" whereby you read the source texts, identify relevant parts, take notes, produce drafts, re-read the source texts, revise your text, re-write... (Mateos and Sole, 2009). 

What is good synthesis?  

The quality of your synthesis can be assessed considering the following (Mateos and Sole, 2009, p439):  

Integration and connection of the information from the source texts around a structuring theme. 

Selection of ideas necessary for producing the synthesis. 

Appropriateness of the interpretation.  

Elaboration of the content.  

Example of Synthesis

Original texts (fictitious): 

Synthesis: 

Animal experimentation is a subject of heated debate. Some argue that painful experiments should be banned. Indeed it has been demonstrated that such experiments make animals suffer physically and psychologically (Chowdhury 2012; Panatta and Hudson 2016). On the other hand, it has been argued that animal experimentation can save human lives and reduce harm on humans (Smith 2008). This argument is only valid for toxicological testing, not for tests that, for example, merely improve the efficacy of a cosmetic (Turner 2015). It can be suggested that animal experimentation should be regulated to only allow toxicological risk assessment, and the suffering to the animals should be minimised.   

Bibliography

Mateos, M. and Sole, I. (2009). Synthesising Information from various texts: A Study of Procedures and Products at Different Educational Levels. European Journal of Psychology of Education,  24 (4), 435-451. Available from https://doi.org/10.1007/BF03178760 [Accessed 29 June 2021].

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Writing in the Health and Social Sciences: Literature Reviews and Synthesis Tools

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Systematic Literature Reviews: Steps & Resources

These steps for conducting a systematic literature review are listed below . 

Also see subpages for more information about:

• The different types of literature reviews, including systematic reviews and other evidence synthesis methods
• Tools & Tutorials

Literature Review & Systematic Review Steps

• Develop a Focused Question
• Scope the Literature  (Initial Search)
• Refine & Expand the Search
• Limit the Results
• Download Citations
• Abstract & Analyze
• Create Flow Diagram
• Synthesize & Report Results

1. Develop a Focused   Question 

Consider the PICO Format: Population/Problem, Intervention, Comparison, Outcome

Focus on defining the Population or Problem and Intervention (don't narrow by Comparison or Outcome just yet!)

"What are the effects of the Pilates method for patients with low back pain?"

Tools & Additional Resources:

• PICO Question Help
• Stillwell, Susan B., DNP, RN, CNE; Fineout-Overholt, Ellen, PhD, RN, FNAP, FAAN; Melnyk, Bernadette Mazurek, PhD, RN, CPNP/PMHNP, FNAP, FAAN; Williamson, Kathleen M., PhD, RN Evidence-Based Practice, Step by Step: Asking the Clinical Question, AJN The American Journal of Nursing : March 2010 - Volume 110 - Issue 3 - p 58-61 doi: 10.1097/01.NAJ.0000368959.11129.79

2. Scope the Literature

A "scoping search" investigates the breadth and/or depth of the initial question or may identify a gap in the literature. 

Eligible studies may be located by searching in:

• Background sources (books, point-of-care tools)
• Article databases
• Trial registries
• Grey literature
• Cited references
• Reference lists

When searching, if possible, translate terms to controlled vocabulary of the database. Use text word searching when necessary.

Use Boolean operators to connect search terms:

• Combine separate concepts with AND  (resulting in a narrower search)
• Connecting synonyms with OR  (resulting in an expanded search)

Search:  pilates AND ("low back pain"  OR  backache )

Video Tutorials - Translating PICO Questions into Search Queries

• Translate Your PICO Into a Search in PubMed (YouTube, Carrie Price, 5:11) 
• Translate Your PICO Into a Search in CINAHL (YouTube, Carrie Price, 4:56)

3. Refine & Expand Your Search

Expand your search strategy with synonymous search terms harvested from:

• database thesauri
• reference lists
• relevant studies

Example: 

(pilates OR exercise movement techniques) AND ("low back pain" OR backache* OR sciatica OR lumbago OR spondylosis)

As you develop a final, reproducible strategy for each database, save your strategies in a:

• a personal database account (e.g., MyNCBI for PubMed)
• Log in with your NYU credentials
• Open and "Make a Copy" to create your own tracker for your literature search strategies

4. Limit Your Results

Use database filters to limit your results based on your defined inclusion/exclusion criteria.  In addition to relying on the databases' categorical filters, you may also need to manually screen results.  

• Limit to Article type, e.g.,:  "randomized controlled trial" OR multicenter study
• Limit by publication years, age groups, language, etc.

NOTE: Many databases allow you to filter to "Full Text Only".  This filter is  not recommended . It excludes articles if their full text is not available in that particular database (CINAHL, PubMed, etc), but if the article is relevant, it is important that you are able to read its title and abstract, regardless of 'full text' status. The full text is likely to be accessible through another source (a different database, or Interlibrary Loan).  

• Filters in PubMed
• CINAHL Advanced Searching Tutorial

5. Download Citations

Selected citations and/or entire sets of search results can be downloaded from the database into a citation management tool. If you are conducting a systematic review that will require reporting according to PRISMA standards, a citation manager can help you keep track of the number of articles that came from each database, as well as the number of duplicate records.

In Zotero, you can create a Collection for the combined results set, and sub-collections for the results from each database you search.  You can then use Zotero's 'Duplicate Items" function to find and merge duplicate records.

• Citation Managers - General Guide

6. Abstract and Analyze

• Migrate citations to data collection/extraction tool
• Screen Title/Abstracts for inclusion/exclusion
• Screen and appraise full text for relevance, methods, 
• Resolve disagreements by consensus

Covidence is a web-based tool that enables you to work with a team to screen titles/abstracts and full text for inclusion in your review, as well as extract data from the included studies.

• Covidence Support
• Critical Appraisal Tools
• Data Extraction Tools

7. Create Flow Diagram

The PRISMA (Preferred Reporting Items for Systematic reviews and Meta-Analyses) flow diagram is a visual representation of the flow of records through different phases of a systematic review.  It depicts the number of records identified, included and excluded.  It is best used in conjunction with the PRISMA checklist .

Example from: Stotz, S. A., McNealy, K., Begay, R. L., DeSanto, K., Manson, S. M., & Moore, K. R. (2021). Multi-level diabetes prevention and treatment interventions for Native people in the USA and Canada: A scoping review. Current Diabetes Reports, 2 (11), 46. https://doi.org/10.1007/s11892-021-01414-3

• PRISMA Flow Diagram Generator (ShinyApp.io, Haddaway et al. )
• PRISMA Diagram Templates  (Word and PDF)
• Make a copy of the file to fill out the template
• Image can be downloaded as PDF, PNG, JPG, or SVG
• Covidence generates a PRISMA diagram that is automatically updated as records move through the review phases

8. Synthesize & Report Results

There are a number of reporting guideline available to guide the synthesis and reporting of results in systematic literature reviews.

It is common to organize findings in a matrix, also known as a Table of Evidence (ToE).

• Reporting Guidelines for Systematic Reviews
• Download a sample template of a health sciences review matrix  (GoogleSheets)

Steps modified from: 

Cook, D. A., & West, C. P. (2012). Conducting systematic reviews in medical education: a stepwise approach.   Medical Education , 46 (10), 943–952.

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Nursing and Allied Health: Building a Summary Table or Synthesis Matrix

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Building a Summary Table or Synthesis Matrix

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• Simplifying Synthesis | Download the Article PDF Copy
• Writing a Literature Review and Using a Synthesis Matrix

What a Summary Table or Synthesis Matrix looks like

Use the "Literature Review Matrix Template" as a guideline to help you sort through your thoughts, note important points and think through the similarities and differences: 

You are organizing the review by ideas and not by sources .  The literature review is not just a summary of the already published works.  Your synthesis should show how various articles are linked. 

A summary table is also called a synthesis matrix.  The table helps you organize and compare information for your systematic review, scholarly report, dissertation or thesis

Synthesis Matrix.

A summary table is also called a synthesis matrix . A summary table helps you record the main points of each source and document how sources relate to each other. After summarizing and evaluating your sources, arrange them in a matrix to help you see how they relate to each other, and apply to each of your themes or variables.

Faculty who typically guide students find it challenging to help students learn how to synthesize material (Blondy, Blakesless, Scheffer, Rubenfeld, Cronin, & Luster-Turner, 2016; Kearney, 2015) .  Writers  can easily summarize material but seem to struggle to adequately synthesize knowledge about their topic and express that in their writing. So, whether you are writing a student papers, dissertations, or scholarly report it is necessary to learn a few tips and tricks to organize your ideas.

Building a summary table and developing solid synthesis skills is important for nurses, nurse practitioners, and allied health researchers.  Quality evidence-based practice initiatives and nursing care and medicine are based on understanding and evaluating the resources and research available, identifying gaps, and building a strong foundation for future work.

Good synthesis is about putting the data gathered, references read, and literature analyzed together in a new way that shows connections and relationships. ( Shellenbarger, 2016 ). The Merriam-Webster dictionary defines synthesis as something that is made by combining different things or the composition or combination of parts or elements so as to form a whole (Synthesis, n.d.).  

In other words, building a summary table or synthesis matrix  involves taking information from a variety of sources, evaluating that information and forming new ideas or insights in an original way.  This can be a new and potentially challenging experience for students and researchers who are used to just repeating what is already in the literature.

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DNP Intensive

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Writing a Literature Review

Tools to Help Organize your Literature Review

• APA Style and Reference Managers
• Evaluating Research Articles
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Unless you have a reason to present the literature chronologically (to show development over time, perhaps), the preferred method for organizing your literature is thematically. 

Step 1 : Identify your themes.

Step 2 : Identify the articles that address those themes

Step 3 : Identify the similarities and differences among the articles within the themes

A Literature Synthesis Matrix will be especially helpful in this process.

Literature Review Matrix

This type of matrix will help you see the content of all of your articles at a glance. Each row represents an article, and each column and element of the articles. Typical columns can include things like 

• Research method
• Sample size
• Theoretical framework

However, the exact columns you chose depend on the elements of each study you want to discuss in your paper. You get to decide!

Here are couple of examples to give you a better idea.

• An evolutionary concept analysis of helicopter parenting. (Lee et al., 2014)
• The use of video conferencing for persons with chronic conditions: A systematic review. (Mallow et al. 2016)

Literature Synthesis Matrix

In essence a synthesis matrix is a way to organize your literature by theme, which is generally the way writers organize their whole literature reviews. The real benefit is that it helps you identify the articles that talk about the same themes so that you can write about them together in your literature review.

North Carolina State  has a very nice description and example of the process. 

This YouTube video also explains the process.

Here is a  template  you can use (this one is in Word instead of PPT).

• Transcript-Literature Review Martix Transcript document for the Literature Review Matrix video.
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