literature synthesis matrix

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: May 3, 2024 5:17 PM
• URL: https://researchguides.uoregon.edu/litreview

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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

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: May 1, 2024 2:54 PM
• URL: https://libguides.wccnet.edu/literature_review

How I Made My Life Easier By Using A Synthesis Matrix

By Abbie, a Writing Center Coach

I’ve always enjoyed writing and thought myself quite good at it before getting to college. Of course, a lot of the writing you do then is for English class, reading one book and writing about it; you still have to work at figuring out your focus and how to support it, but the “research” aspect is limited. Stepping outside of a traditional English paper is another step, one that I was hit with when I first started college and had to write for other subjects.

To me, a research paper is one of the most daunting assignments I’ve ever received. Suddenly, I needed to look at more than just a single work of fiction. There are often semester-long steps to picking a question, finding sources, evaluating them, and synthesizing them. It’s easy for me to want to push those tasks until later or cherrypick evidence to support an easier answer. But that doesn’t result in the best research paper possible, and I might not even learn much along the way.

One of my favorite strategies for writing research papers is creating a synthesis matrix, which is essentially creating a research worksheet to fill out. They can look different depending on what I’m working on, but their main purpose is for taking research notes and seeing relationships across large numbers of sources and information categories. I’ve used both Microsoft Excel and Google Sheets to create synthesis matrices in the past.

The first time I ever created a synthesis matrix was for ENGL 402 , which I took to apply to work at the Writing Center. The assignment was a literature review where I had to pick any topic related to writing and explore what the literature said about it. I had no idea where to start, but this method helped me land on and deeply explore my topic.

While working on my literature review, I divided my synthesis matrix process into five steps: topic selection, source selection, matrix setup, reading and categorization, and usage of the matrix itself.

Step 1: Topic Selection

First, I decided to freewrite some topic ideas, a strategy I got from the Writing Center’s Brainstorming handout . I set a timer for 5 minutes and listed out every topic related to writing that came to mind. I came up with multiple ideas, but the one I chose was about writing motivation. As someone who has always loved writing, I wanted to explore people writing solely for a grade rather than because of genuine passion and interest in the topic. This helped me come up with keywords (writing, grades, motivation, rubrics) that I could then use in my initial research step when searching for sources.

Step 2: Source Selection

Once I had my keywords, I turned to the UNC Libraries website. I always begin with the “E-Research by Discipline” tool, which allows me to select databases of academic articles that are more likely to be related to my topic. For my initial ideas about writing motivation, I went to a database under the “English” discipline. The “Articles+” on the library site has more search filters under “Advanced Search” that I used to get more specific search results.

Through this research process, I landed on a topic: utility-value in writing . Using this topic to form my new keywords, I found multiple sources related to writing, learning, real world applications of course material, and connections between class content. One issue I ran into was that a lot of sources were about multilingual learners, while I just wanted to focus on general college writing (rather than language learning). Thankfully, I was able to use Boolean search logic to filter out language learning sources.

Step 3: Setting up the Matrices

Before looking through the sources I had gathered, I set up a Microsoft Excel sheet for note taking. This would become my synthesis matrix — all of my sources, along with the author, date, and citation, were listed in the left columns. The rest of the columns were broken into categories of information I thought I might use. The first few columns make it easy for me to find important information needed for parenthetical citations and references, as well as to remember the specific focus of a source. I was mostly using empirical studies, though other source types could have different categories, like a synopsis of a book from which a chapter had been pulled. I ended up with two separate sections of my sheet: one for sources related to utility value writing and another for sources related to Writing-To-Learn ( a learning pedagogy with some similarities).

With my matrix set up, I felt much better about my ability to take good notes on my sources rather than trying to tackle them with a blank document.

Step 4: Reading & Note-taking

Once I started reading, using the matrix felt like I had given myself a checklist of sources to get through along with boxes to fill in for each one. Because of this, I was able to get through my sources much more quickly, feeling a sense of accomplishment as I could see how much I had done. I also was already beginning to organize my notes because of the matrix setup. It initially seemed like a much more time-consuming method, but the organizational element was a huge time-saver when it came to actually putting my paper together. I was much more familiar with my evidence by the time it came to outline, so I didn’t have to dig through my notes as much to figure out what to say or where to say it.

As I read through my sources, I took notes in the matrix by copy and pasting quotes from my sources as well as paraphrasing information. I always made sure to add page numbers so I could easily go back and find where I got my information. Along the way, my categories molded to what I was reading. It was important for me to not only search for what I was originally looking for but reflect what was actually being discussed in my sources.

Step 5: Using the Matrix 

Once I had filled in the entire Excel sheet, I could see which sources overlapped where, compare and contrast what they said, and see areas of agreement and disagreement. My next step was to use this information to organize my paper. I decided to color-code the boxes based on where I thought they might fit; while this ended up largely following the column categories, there were a few that fit somewhere else, and the visual strategy helped remind me to include everything where I wanted it.

The last step was writing the actual paper. I found it to be a much easier and faster process with my synthesis matrix having already organized everything, and was able to sit down and write an entire 10 pages over just a couple days. I ended up satisfied with what I had written, and I know it would have been much harder without the synthesis matrix.

Reflections

If I were to go back and work on this matrix again, I might work on paraphrasing more than just pasting direct quotes in. While it was easier to just paste the original wording, I ended up having to work a lot on paraphrasing and evaluating my sources’ information when I was actually writing the paper. I think using more paraphrasing relative to quoting when I was filling in the matrix would have gotten me to try to better understand what I was reading when I was reading it, and probably would have saved some space since I ended up with a lot of blocks of long quotes. I also had a column for figures and diagrams that I didn’t fill in much and didn’t end up using what I had filled in at all, so I might reevaluate what forms of information I’m predominantly paying attention to in sources and whether other forms might add something of value to my paper, perhaps by listing out information I get without even looking at the main text.

I highly recommend trying this strategy out on your next research paper or literature review! I learned it from Dr. Gigi Taylor in ENGL 402, a class where you can try using this strategy and learn more about yourself and your writing style. I am very grateful to have found a method that works so well with my approach to writing, and I hope that it helps you as well.

This blog showcases the perspectives of UNC Chapel Hill community members learning and writing online. If you want to talk to a Writing and Learning Center coach about implementing strategies described in the blog, make an appointment with a writing coach , a peer tutor , or an academic coach today. Have an idea for a blog post about how you are learning and writing remotely? Contact us here .

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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: May 16, 2024 10:16 AM
• URL: https://iu.libguides.com/literaturereview

• Synthesis Matrix
• Synthesis Matrix - A Step-by-Step Guide

The Synthesis Matrix - How to begin

A Synthesis Matrix is a great tool to help you organize and synthesize your research. Essentially, it is a table or chart where you identify your main ideas along the first column and your sources along the top row. Once set up, you can enter your notes and quotes from each source that correspond to each of your main ideas.

• Synthesis Matrix tutorial
• Blank Synthesis Matrix (Google Docs) Use this Google Doc to set up your Synthesis Matrix. Make a copy of the document to enter your information.

Synthesis Matrix - Step 1 - Identify Themes

    What are your main ideas or concepts? 

Think about the assigned reading and the ideas that came up when discussing it in class. What are the ideas or themes that you found most interesting? Or that you are most curious about. Enter these themes or concepts into the first column of the Synthesis Matrix, putting each one in a different row.

These are the themes you will use to search for your secondary sources in the Library's databases.

Synthesis Matrix - Step 2 - Research the Themes

  Look for sources related to your themes

After identifying your main themes or concepts, take a moment to think about them. What are they? Are there other words you could use to describe them? What subject areas or disciplines would address those topics? Before you start searching in a Library database, record this information in your Synthesis Matrix under each theme.

If you are unsure of what words to use you could look up your terms in a dictionary or encyclopedia . You can also look online for ideas, Wikipedia is a good source for this part of your research. You will not use Wikipedia as a source but you can use it to identify keywords and related ideas. 

Search for sources

Use the keywords you identified to search for sources in the Library's databases . Try our SNAP! Search or some of the databases listed below.

Here are a few tips to help you out:

• Begin with a simple search 
• Only enter your concepts - don't enter your thesis statement, research question, or complete sentences
• Use the Advanced Search whenever possible
• Be persistent and flexible - if you're not finding what you need switch your keywords with ones that you identified on your Synthesis Matrix
• If you need help, let us know !

Here is an example of a search.

• SNAP! Search Our SNAP! Search makes finding information and credible sources a breeze. Search almost all of our databases at once with this powerful search. Here, you’ll find journals, books, videos, magazines, and more all in one search.
• Opposing Viewpoints in Context This link opens in a new window Informed viewpoints support learners in developing critical-thinking skills and drawing their own conclusions. Covers current social issues through viewpoints, reference articles, infographics, news, images, video, and audio.
• U.S. History in Context This link opens in a new window Find articles, statistics, images, videos, and other types of sources on the most significant people, events and topics in U.S. History.
• JSTOR This link opens in a new window JSTOR is an excellent source for scholarly, peer-reviewed articles, ebooks and images, covering literature, history, the arts, and more.
• CINAHL Complete This link opens in a new window Nursing and allied health literature. Find evidence based research articles/studies, evidence-based care sheets and practice guidelines.

Synthesis Matrix - Step 3 - Fill in the Matrix

    Read the articles and start filling in the Matrix

Review all the articles you found and choose the ones you would like to use. Read these articles thoroughly, take notes, and highlight passages that relate to your themes.

In this example, I have quotes from the Tom Tiede article that represent the experiences of doctors in the first column. In the next columns, I have quotes from the other articles I chose that represent the same idea - the experiences of medical personnel.

I don't have any quotes from the Horwitz book in this row. I didn't find anything in this source that discussed this aspect of my topic and that's fine. The Horwitz book had good information on PTSD and war that I can use. Not all of my sources will cover all of my topic. You will use your sources and the matrix to create a conversation about your topic, bringing in evidence from an array of sources.

The next rows of the matrix for the topics of War and PTSD are below.

The Synthesis Matrix - Examples and Help

• Blank Synthesis Matrix Use this Google Doc to set up your Synthesis Matrix. Make a copy of the document by clicking on "File" and "Make a Copy" to enter your information. You should be logged in to MyNorthShore to access this document.
• Synthesis Matrix Use this Word document to set up your Synthesis Matrix
• Synthesis Matrix for "Black Men and Public Spaces" This is an example of a Synthesis Matrix based on the article, "Black Men and Public Spaces" by Brent Staples.
• Synthesis Matrix for Story of an Hour
• Tom Tiede - Synthesis Matrix
• Synthesis Matrix for Black Men in Public Spaces Google Doc
• Tom Tiede Synthesis Matrix Example Google Doc
• << Previous: Synthesis Matrix
• Last Updated: Oct 23, 2023 1:44 PM
• URL: https://library.northshore.edu/synthesis-matrix

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

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

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What is a literature matrix?

As defined by Judith Garrard in her handbook entitled  Health Sciences Literature Reviews Made Easy: The Matrix Method , a “Review of the literature consists of reading, analyzing, and writing a synthesis of scholarly materials about a specific topic. When reviewing scientific literature, the focus is on the hypotheses, the scientific methods, the strengths and weaknesses of the study, the results, and the authors’ interpretations and conclusions.” When reading materials for a literature review, you should critically evaluate the study’s major aims and results. 

The purpose of completing a literature matrix is to help you identify important aspects of the study. Literature matrixes contain a variety of headings, but frequent headings include: author surname and date, theoretical/ conceptual framework, research question(s)/ hypothesis, methodology, analysis & results, conclusions, implications for future research, and implications for practice. You can add additional columns as needed, and you might consider adding a “notes column” to proactively have important quotations and your thoughts already collected.  As you read journal articles, have your literature matrix ready. It is best to fill in the matrix directly after reading a work, rather than returning to the matrix later.  

Literature Matrix Files

You should use a literature matrix that best helps you to organize your reading and research. Excel workbooks can help to organize your research. Sample basic and complex literature matrixes are provided below: 

• Literature Matrix Basic BLANK
• Literature Matrix Basic SAMPLE
• Literature Matrix Complex BLANK

Synthesize vs. Summarize

When writing your literature review, you will not simply summarize the materials that you found related to your topic. A summary is a recap of the information provided in research articles. Summaries provide basic information about the study, but the details provided in a summary are not enumerative or systematic. 

Synthesizing goes beyond summarizing to explore specific aspects of the research study. When synthesizing the literature, rely on your completed literature matrix to inform your writing. Do you see any tends across publications? Was one type of methodology used repeatedly, why or why not? Did separate teams of researchers come to the same conclusion, differing conclusions, or is the literature inconclusive? Synthesizing requires that you look at the current state of the research overall. 

When preparing to write a synthesis, you will read the literature available, tease apart individual findings and supporting evidence across different articles, and then reorganize this information in a way that presents your understanding of the current state of research in this field.  

• << Previous: Primary & Secondary Sources
• Last Updated: Apr 3, 2024 9:18 AM
• URL: https://libguides.liberty.edu/ama

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• Faculty Portal

Common Assignments: Literature Review Matrix

Literature review matrix.

As you read and evaluate your literature there are several different ways to organize your research. Courtesy of Dr. Gary Burkholder in the School of Psychology, these sample matrices are one option to help organize your articles. These documents allow you to compile details about your sources, such as the foundational theories, methodologies, and conclusions; begin to note similarities among the authors; and retrieve citation information for easy insertion within a document.

You can review the sample matrixes to see a completed form or download the blank matrix for your own use.

• Literature Review Matrix 1 This PDF file provides a sample literature review matrix.
• Literature Review Matrix 2 This PDF file provides a sample literature review matrix.
• Literature Review Matrix Template (Word)
• Literature Review Matrix Template (Excel)

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Writing the Literature Review

• Getting Started
• Step 1: Choose A Topic
• Step 2: Find Information
• Step 3: Evaluate
• Step 4: Take Notes
• Step 5: Synthesize
• Step 6: Stay Organized
• Write the Review

Synthesizing

What is "Synthesis"?

Synthesis?  

Synthesis refers to combining separate elements to create a whole.  When reading through your sources (peer reviewed journal articles, books, research studies, white papers etc.) you will pay attention to relationships between the studies, between groups in the studies, and look for any pattterns,  similarities or differences.  Pay attention to methodologies, unexplored themes, and things that may represent a "gap" in the literature.  These "gaps" will be things you will want to be sure to identify in your literature review.  

• Using a Synthesis Matrix to Plan a Literature Review Introduction to synthesis matrices, and explanation of the difference between synthesis and analysis. (Geared towards Health Science/ Nursing but applicable for other literature reviews) ***Includes a synthesis matrix example***
• Using a Spider Diagram Organize your thoughts with a spider diagram

Ready, Set...Synthesize

• Create an outline that puts your topics (and subtopics) into a logical order
• Look at each subtopic that you have identified and determine what the articles in that group have in common with each other
• Look at the articles in those subtopics that you have identified and look for areas where they differ.
• If you spot findings that are contradictory, what differences do you think could account for those contradictions?  
• Determine what general conclusions can be reported about that subtopic, and how it relates to the group of studies that you are discussing
• As you write, remember to follow your outline, and use transitions as you move between topics 

Galvan, J. L. (2006). Writing literature reviews (3rd ed.). Glendale, CA: Pyrczak Publishing

• << Previous: Step 4: Take Notes
• Next: Step 6: Stay Organized >>
• Last Updated: Sep 27, 2023 11:22 AM
• URL: https://guides.mga.edu/TheLiteratureReviewANDYou

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Chapter 7: Synthesizing Sources

Learning objectives.

At the conclusion of this chapter, you will be able to:

• synthesize key sources connecting them with the research question and topic area.

7.1 Overview of synthesizing

7.1.1 putting the pieces together.

Combining separate elements into a whole is the dictionary definition of synthesis.  It is a way to make connections among and between numerous and varied source materials.  A literature review is not an annotated bibliography, organized by title, author, or date of publication.  Rather, it is grouped by topic to create a whole view of the literature relevant to your research question.

Your synthesis must demonstrate a critical analysis of the papers you collected as well as your ability to integrate the results of your analysis into your own literature review.  Each paper collected should be critically evaluated and weighed for “adequacy, appropriateness, and thoroughness” ( Garrard, 2017 ) before inclusion in your own review.  Papers that do not meet this criteria likely should not be included in your literature review.

Begin the synthesis process by creating a grid, table, or an outline where you will summarize, using common themes you have identified and the sources you have found. The summary grid or outline will help you compare and contrast the themes so you can see the relationships among them as well as areas where you may need to do more searching. Whichever method you choose, this type of organization will help you to both understand the information you find and structure the writing of your review.  Remember, although “the means of summarizing can vary, the key at this point is to make sure you understand what you’ve found and how it relates to your topic and research question” ( Bennard et al., 2014 ).

As you read through the material you gather, look for common themes as they may provide the structure for your literature review.  And, remember, research is an iterative process: it is not unusual to go back and search information sources for more material.

At one extreme, if you are claiming, ‘There are no prior publications on this topic,’ it is more likely that you have not found them yet and may need to broaden your search.  At another extreme, writing a complete literature review can be difficult with a well-trod topic.  Do not cite it all; instead cite what is most relevant.  If that still leaves too much to include, be sure to reference influential sources…as well as high-quality work that clearly connects to the points you make. ( Klingner, Scanlon, & Pressley, 2005 ).

7.2 Creating a summary table

Literature reviews can be organized sequentially or by topic, theme, method, results, theory, or argument.  It’s important to develop categories that are meaningful and relevant to your research question.  Take detailed notes on each article and use a consistent format for capturing all the information each article provides.  These notes and the summary table can be done manually, using note cards.  However, given the amount of information you will be recording, an electronic file created in a word processing or spreadsheet is more manageable. Examples of fields you may want to capture in your notes include:

• Authors’ names
• Article title
• Publication year
• Main purpose of the article
• Methodology or research design
• Participants
• Measurement
• Conclusions

  Other fields that will be useful when you begin to synthesize the sum total of your research:

• Specific details of the article or research that are especially relevant to your study
• Key terms and definitions
• Strengths or weaknesses in research design
• Relationships to other studies
• Possible gaps in the research or literature (for example, many research articles conclude with the statement “more research is needed in this area”)
• Finally, note how closely each article relates to your topic.  You may want to rank these as high, medium, or low relevance.  For papers that you decide not to include, you may want to note your reasoning for exclusion, such as ‘small sample size’, ‘local case study,’ or ‘lacks evidence to support assertion.’

This short video demonstrates how a nursing researcher might create a summary table.

7.2.1 Creating a Summary Table

  Summary tables can be organized by author or by theme, for example:

For a summary table template, see http://blogs.monm.edu/writingatmc/files/2013/04/Synthesis-Matrix-Template.pdf

7.3 Creating a summary outline

An alternate way to organize your articles for synthesis it to create an outline. After you have collected the articles you intend to use (and have put aside the ones you won’t be using), it’s time to identify the conclusions that can be drawn from the articles as a group.

  Based on your review of the collected articles, group them by categories.  You may wish to further organize them by topic and then chronologically or alphabetically by author.  For each topic or subtopic you identified during your critical analysis of the paper, determine what those papers have in common.  Likewise, determine which ones in the group differ.  If there are contradictory findings, you may be able to identify methodological or theoretical differences that could account for the contradiction (for example, differences in population demographics).  Determine what general conclusions you can report about the topic or subtopic as the entire group of studies relate to it.  For example, you may have several studies that agree on outcome, such as ‘hands on learning is best for science in elementary school’ or that ‘continuing education is the best method for updating nursing certification.’ In that case, you may want to organize by methodology used in the studies rather than by outcome.

Organize your outline in a logical order and prepare to write the first draft of your literature review.  That order might be from broad to more specific, or it may be sequential or chronological, going from foundational literature to more current.  Remember, “an effective literature review need not denote the entire historical record, but rather establish the raison d’etre for the current study and in doing so cite that literature distinctly pertinent for theoretical, methodological, or empirical reasons.” ( Milardo, 2015, p. 22 ).

As you organize the summarized documents into a logical structure, you are also appraising and synthesizing complex information from multiple sources.  Your literature review is the result of your research that synthesizes new and old information and creates new knowledge.

7.4 Additional resources:

Literature Reviews: Using a Matrix to Organize Research / Saint Mary’s University of Minnesota

Literature Review: Synthesizing Multiple Sources / Indiana University

Writing a Literature Review and Using a Synthesis Matrix / Florida International University

 Sample Literature Reviews Grid / Complied by Lindsay Roberts

Select three or four articles on a single topic of interest to you. Then enter them into an outline or table in the categories you feel are important to a research question. Try both the grid and the outline if you can to see which suits you better. The attached grid contains the fields suggested in the video .

Literature Review Table  

Test yourself.

• Select two articles from your own summary table or outline and write a paragraph explaining how and why the sources relate to each other and your review of the literature.
• In your literature review, under what topic or subtopic will you place the paragraph you just wrote?

Image attribution

Literature Reviews for Education and Nursing Graduate Students Copyright © by Linda Frederiksen is licensed under a Creative Commons Attribution 4.0 International License , except where otherwise noted.

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How to Synthesize Written Information from Multiple Sources

Shona McCombes

Content Manager

B.A., English Literature, University of Glasgow

Shona McCombes is the content manager at Scribbr, Netherlands.

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Saul Mcleod, PhD

Editor-in-Chief for Simply Psychology

BSc (Hons) Psychology, MRes, PhD, University of Manchester

Saul Mcleod, PhD., is a qualified psychology teacher with over 18 years of experience in further and higher education. He has been published in peer-reviewed journals, including the Journal of Clinical Psychology.

On This Page:

When you write a literature review or essay, you have to go beyond just summarizing the articles you’ve read – you need to synthesize the literature to show how it all fits together (and how your own research fits in).

Synthesizing simply means combining. Instead of summarizing the main points of each source in turn, you put together the ideas and findings of multiple sources in order to make an overall point.

At the most basic level, this involves looking for similarities and differences between your sources. Your synthesis should show the reader where the sources overlap and where they diverge.

Unsynthesized Example

Franz (2008) studied undergraduate online students. He looked at 17 females and 18 males and found that none of them liked APA. According to Franz, the evidence suggested that all students are reluctant to learn citations style. Perez (2010) also studies undergraduate students. She looked at 42 females and 50 males and found that males were significantly more inclined to use citation software ( p < .05). Findings suggest that females might graduate sooner. Goldstein (2012) looked at British undergraduates. Among a sample of 50, all females, all confident in their abilities to cite and were eager to write their dissertations.

Synthesized Example

Studies of undergraduate students reveal conflicting conclusions regarding relationships between advanced scholarly study and citation efficacy. Although Franz (2008) found that no participants enjoyed learning citation style, Goldstein (2012) determined in a larger study that all participants watched felt comfortable citing sources, suggesting that variables among participant and control group populations must be examined more closely. Although Perez (2010) expanded on Franz’s original study with a larger, more diverse sample…

Step 1: Organize your sources

After collecting the relevant literature, you’ve got a lot of information to work through, and no clear idea of how it all fits together.

Before you can start writing, you need to organize your notes in a way that allows you to see the relationships between sources.

One way to begin synthesizing the literature is to put your notes into a table. Depending on your topic and the type of literature you’re dealing with, there are a couple of different ways you can organize this.

Summary table

A summary table collates the key points of each source under consistent headings. This is a good approach if your sources tend to have a similar structure – for instance, if they’re all empirical papers.

Each row in the table lists one source, and each column identifies a specific part of the source. You can decide which headings to include based on what’s most relevant to the literature you’re dealing with.

For example, you might include columns for things like aims, methods, variables, population, sample size, and conclusion.

For each study, you briefly summarize each of these aspects. You can also include columns for your own evaluation and analysis.

The summary table gives you a quick overview of the key points of each source. This allows you to group sources by relevant similarities, as well as noticing important differences or contradictions in their findings.

Synthesis matrix

A synthesis matrix is useful when your sources are more varied in their purpose and structure – for example, when you’re dealing with books and essays making various different arguments about a topic.

Each column in the table lists one source. Each row is labeled with a specific concept, topic or theme that recurs across all or most of the sources.

Then, for each source, you summarize the main points or arguments related to the theme.

The purposes of the table is to identify the common points that connect the sources, as well as identifying points where they diverge or disagree.

Step 2: Outline your structure

Now you should have a clear overview of the main connections and differences between the sources you’ve read. Next, you need to decide how you’ll group them together and the order in which you’ll discuss them.

For shorter papers, your outline can just identify the focus of each paragraph; for longer papers, you might want to divide it into sections with headings.

There are a few different approaches you can take to help you structure your synthesis.

If your sources cover a broad time period, and you found patterns in how researchers approached the topic over time, you can organize your discussion chronologically .

That doesn’t mean you just summarize each paper in chronological order; instead, you should group articles into time periods and identify what they have in common, as well as signalling important turning points or developments in the literature.

If the literature covers various different topics, you can organize it thematically .

That means that each paragraph or section focuses on a specific theme and explains how that theme is approached in the literature.

Source Used with Permission: The Chicago School

If you’re drawing on literature from various different fields or they use a wide variety of research methods, you can organize your sources methodologically .

That means grouping together studies based on the type of research they did and discussing the findings that emerged from each method.

If your topic involves a debate between different schools of thought, you can organize it theoretically .

That means comparing the different theories that have been developed and grouping together papers based on the position or perspective they take on the topic, as well as evaluating which arguments are most convincing.

Step 3: Write paragraphs with topic sentences

What sets a synthesis apart from a summary is that it combines various sources. The easiest way to think about this is that each paragraph should discuss a few different sources, and you should be able to condense the overall point of the paragraph into one sentence.

This is called a topic sentence , and it usually appears at the start of the paragraph. The topic sentence signals what the whole paragraph is about; every sentence in the paragraph should be clearly related to it.

A topic sentence can be a simple summary of the paragraph’s content:

“Early research on [x] focused heavily on [y].”

For an effective synthesis, you can use topic sentences to link back to the previous paragraph, highlighting a point of debate or critique:

“Several scholars have pointed out the flaws in this approach.” “While recent research has attempted to address the problem, many of these studies have methodological flaws that limit their validity.”

By using topic sentences, you can ensure that your paragraphs are coherent and clearly show the connections between the articles you are discussing.

As you write your paragraphs, avoid quoting directly from sources: use your own words to explain the commonalities and differences that you found in the literature.

Don’t try to cover every single point from every single source – the key to synthesizing is to extract the most important and relevant information and combine it to give your reader an overall picture of the state of knowledge on your topic.

Step 4: Revise, edit and proofread

Like any other piece of academic writing, synthesizing literature doesn’t happen all in one go – it involves redrafting, revising, editing and proofreading your work.

Checklist for Synthesis

•   Do I introduce the paragraph with a clear, focused topic sentence?
•   Do I discuss more than one source in the paragraph?
•   Do I mention only the most relevant findings, rather than describing every part of the studies?
•   Do I discuss the similarities or differences between the sources, rather than summarizing each source in turn?
•   Do I put the findings or arguments of the sources in my own words?
•   Is the paragraph organized around a single idea?
•   Is the paragraph directly relevant to my research question or topic?
•   Is there a logical transition from this paragraph to the next one?

Further Information

How to Synthesise: a Step-by-Step Approach

Help…I”ve Been Asked to Synthesize!

Learn how to Synthesise (combine information from sources)

How to write a Psychology Essay

Related Articles

Student Resources

How To Cite A YouTube Video In APA Style – With Examples

How to Write an Abstract APA Format

APA References Page Formatting and Example

APA Title Page (Cover Page) Format, Example, & Templates

How do I Cite a Source with Multiple Authors in APA Style?

How to Write a Psychology Essay

Literature Reviews

• What is a Literature Review?
• Six Steps to Writing a Literature Review
• Finding Articles
• Try A Citation Manager
• Avoiding Plagiarism

Selecting a Research Topic 

The first step in the process involves exploring and selecting a topic. You may revise the topic/scope of your research as you learn more from the literature. Be sure to select a topic that you are willing to work with for a considerable amount of time.

When thinking about a topic, it is important to consider the following: 

Does the topic interest you?

Working on something that doesn’t excite you will make the process tedious. The research content should reflect your passion for research so it is essential to research in your area of interest rather than choosing a topic that interests someone else. While developing your research topic, broaden your thinking and creativity to determine what works best for you. Consider an area of high importance to your profession, or identify a gap in the research. It may take some time to narrow down on a topic and get started, but it’s worth the effort.

Is the Topic Relevant?

Be sure your subject meets the assignment/research requirements. When in doubt, review the guidelines and seek clarification from your professor. 

What is the Scope and Purpose?

Sometimes your chosen topic may be too broad. To find direction, try limiting the scope and purpose of the research by identifying the concepts you wish to explore. Once this is accomplished, you can fine-tune your topic by experimenting with keyword searches our  A-Z Databases  until you are satisfied with your retrieval results.

Are there Enough Resources to Support Your Research? 

If the topic is too narrow, you may not be able to provide the depth of results needed. When selecting a topic make sure you have adequate material to help with the research. Explore a variety of resources: journals, books, and online information. 

Adapted from https://jgateplus.com/home/2018/10/11/the-dos-of-choosing-a-research-topic-part-1/

Why use keywords to search? 

• Library databases work differently than Google. Library databases work best when you search for concepts and keywords.
• For your research, you will want to brainstorm keywords related to your research question. These keywords can lead you to relevant sources that you can use to start your research project.
• Identify those terms relevant to your research and add 2-3 in the search box. 

Now its time to decide whether or not to incorporate what you have found into your literature review.  E valuate  your resources to make sure they contain information that is authoritative, reliable, relevant and the most useful in supporting your research.

Remember to be:

• Objective : keep an open mind
• Unbiased : Consider all viewpoints, and include all sides of an argument,  even ones that don't support your own

Criteria for Evaluating Research Publications

Significance and Contribution to the Field

• What is the author’s aim?

• To what extent has this aim been achieved?

• What does this text add to the body of knowledge? (theory, data and/or practical application)

• What relationship does it bear to other works in the field?

• What is missing/not stated?

• Is this a problem?

Methodology or Approach (Formal, research-based texts)

• What approach was used for the research? (eg; quantitative or qualitative, analysis/review of theory or current practice, comparative, case study, personal reflection etc…)

• How objective/biased is the approach?

• Are the results valid and reliable?

• What analytical framework is used to discuss the results?

Argument and Use of Evidence

• Is there a clear problem, statement or hypothesis?

• What claims are made?

• Is the argument consistent?

• What kinds of evidence does the text rely on?

• How valid and reliable is the evidence?

• How effective is the evidence in supporting the argument?

• What conclusions are drawn?

• Are these conclusions justified?

Writing Style and Text Structure

• Does the writing style suit the intended audience? (eg; expert/non-expert, academic/non- academic)

• What is the organizing principle of the text?

• Could it be better organized?

Prepared by Pam Mort, Lyn Hallion and Tracey Lee Downey, The Learning Centre © April 2005 The University of New South Wales. 

Analysis: the Starting Point for Further Analysis & Inquiry

After evaluating your retrieved sources you will be ready to explore both what has been  found  and what is  missing . Analysis involves breaking the study into parts,  understanding  each part, assessing the  strength  of evidence, and drawing  conclusions  about its relationship to your topic. 

Read through the information sources you have selected and try to analyze, understand and critique what you read.  Critically  review each source's methods, procedures, data validity/reliability, and other themes of interest.  Consider  how each source approaches your topic in addition to their collective points of  intersection  and  separation .  Offer an appraisal of past and current thinking, ideas, policies, and practices, identify gaps within the research, and place your current work and research within this wider discussion by considering how your research supports, contradicts, or departs from other scholars’ research and offer recommendations for future research.

Top 10 Tips for Analyzing the Research

• Define key terms
• Note key statistics 
• Determine emphasis, strengths & weaknesses
• Critique research methodologies used in the studies
• Distinguish between author opinion and actual results
• Identify major trends, patterns, categories, relationships, and inconsistencies
• Recognize specific aspects in the study that relate to your topic
• Disclose any gaps in the literature
• Stay focused on your topic
• Excluding landmark studies, use current, up-to-date sources

Prepared by the fine librarians at California State University Sacramento. 

Synthesis vs Summary

Your literature review should not simply be a summary of the articles, books, and other scholarly writings you find on your topic. It should synthesize the various ideas from your sources with your own observations to create a map of the scholarly conversation taking place about your research topics along with gaps or areas for further research.

Bringing together your review results is called synthesis. Synthesis relies heavily on pattern recognition and relationships or similarities between different phenomena. Recognizing these patterns and relatedness helps you make  creative connections  between previously unrelated research and identify any gaps.

As you read, you'll encounter various ideas, disagreements, methods, and perspectives which can be hard to organize in a meaningful way.  A  synthesis matrix  also known as a Literature Review Matrix is an effective and efficient method to organize your literature by recording the main points of each source and documenting how sources relate to each other. If you know how to make an Excel spreadsheet, you can create your own synthesis matrix, or use one of the templates below. 

Because a literature review is NOT a summary of these different sources, it can be very difficult to keep your research organized. It is especially difficult to organize the information in a way that makes the writing process simpler. One way that seems particularly helpful in organizing literature reviews is the synthesis matrix. Click on the link below for a short tutorial and synthesis matrix spreadsheet.

• Literature Review and Synthesis
• Lit Review Synthesis Matrix
• Synthesis Matrix Example

A literature review must include a thesis statement, which is your perception of the information found in the literature. 

A literature review: 

• Demonstrates your thorough  investigation  of and acquaintance with sources related to your topic
• Is not a simple listing, but a  critical discussion
• Must  compare  and  contrast  opinions
• Must  relate  your study to previous studies
• Must show  gaps  in research
• Can  focus  on a research question or a thesis
• Includes a  compilation  of the primary questions and subject areas involved
• Identifies  sources

https://custom-writing.org/blog/best-literature-review

Organizing Your Literature Review

The structure of the review is divided into three main parts—an introduction, body, and the conclusion.

Introduction

Discuss what is already known about your topic and what readers need to know in order to understand your literature review. 

• Scope, Method, Framework: ​ Explain your selection criteria and similarities between your sources. Be sure to mention any consistent methods, theoretical frameworks, or approaches.  
• Research Question or Problem Statement:  State the problem you are addressing and why it is important. Try to write your research question as a statement. 
• Thesis : Address the connections between your sources, current state of knowledge in the field, and consistent approaches to your topic. 
• Format:  Describe your literature review’s organization and adhere to it throughout.   

​ Body 

The discussion of your research and its importance to the literature should be presented in a logical structure.

• Chronological: Structure your discussion by the literature’s publication date moving from the oldest to the newest research. Discuss how your research relates to the literature and highlight any breakthroughs and any gaps in the research.
• Historical: Similar to the chronological structure, the historical structure allows for a discussion of concepts or themes and how they have evolved over time.
• Thematic: Identify and discuss the different themes present within the research. Make sure that you relate the themes to each other and to your research.
• Methodological: This type of structure is used to discuss not so much what is found but how. For example, an methodological approach could provide an analysis of research approaches, data collection or and analysis techniques.

Provide a concise summary of your review and provide suggestions for future research.

Writing for Your Audience 

Writing within your discipline means learning:

• the  specialized vocabulary  your discipline uses
• the rhetorical conventions and  discourse  of your discipline
• the research  methodologies  which are employed

Learn how to write in your discipline by  familiarizing  yourself with the journals and trade publications professionals, researchers, and scholars use. 

Use our Databases by Title  to access:

• The best journals
• The most widely circulated trade publications
• The additional ways professionals and researchers communicate, such as conferences, newsletters, or symposiums.
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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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Write a Literature Review

• Developing a Research Question
• Database Searching
• Documenting Your Search and Findings
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Why should I document my search?

Documenting searches for traditional literature reviews is not essential but will help you stay organized and perhaps save you some time. Documenting your search can help you:

• keep track of what you've done so that you don't repeat unproductive searches
• reuse successful search strategies for future papers

Consider whether it makes sense for you to document the following during your search process:

• the databases and resources used
• search strategies for each resource, including the search terms and limits used (e.g. dates, language, etc.)
• the number of results for each search strategy

Selecting Articles for Your Literature Review

You may want to think about criteria that will be used to select articles for your literature review based on your research question.  These are commonly known as inclusion criteria and exclusion criteria. Inclusion criteria are the elements of an article that must be present in order for it to be eligible for inclusion in a literature review, while exclusion criteria are the elements of an article that disqualify the study from inclusion in a literature review.

For example:

• Must certain methodologies be used?
• Should the studies have been published in the last 5 years?

Consider Using a Synthesis Matrix

As you read, you'll encounter various ideas, disagreements, methods, and perspectives which can be hard to organize in a meaningful way. Because you'll be reading a number of resources, a synthesis matrix helps you record the main points of each source and document how sources relate to each other.

• Download Excel Synthesis Matrix Feel free to customize columns to your needs.

What is Reference Management?

Reference management is when you use specific tools to help you organize the references you find during a lit review search. Citation Management Software, like Zotero or Mendeley, are commonly used in literature reviews. VCU Libraries has more information about Choosing a Citation Tool  to fit your needs.

Need Help Writing the Literature Review?

Now that you have conducted your research and documented your findings, you're ready to begin writing your literature review.   VCU's Writing Center consultants can help you plan, develop, and organize your literature review and a follow-up appointment will help you edit, proofread, and revise it.

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