{"id":2557,"date":"2026-07-16T00:15:26","date_gmt":"2026-07-16T00:15:26","guid":{"rendered":"https:\/\/researcher.life\/blog\/?p=2557"},"modified":"2026-07-16T04:03:12","modified_gmt":"2026-07-16T04:03:12","slug":"difference-between-literature-search-and-literature-review","status":"publish","type":"post","link":"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/","title":{"rendered":"Differences Between Literature Search and Literature Review"},"content":{"rendered":"<p><strong>Key Takeaways:<\/strong><\/p>\n<ul>\n<li>A literature search finds existing sources on a topic. A literature review analyzes, synthesizes, and organizes those sources into a coherent narrative.<\/li>\n<li>Reviews come in several formats, including narrative, systematic, scoping, and meta-analytic reviews, each suited to a different research goal and timeline.<\/li>\n<li>Frameworks such as PRISMA and PICO, along with tools like PubMed, Scopus, and citation managers, make both processes more rigorous and efficient.<\/li>\n<li>Avoiding common mistakes, such as search bias, single-database reliance, and poor documentation, strengthens the credibility of the final review.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_68 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/#Glossary_of_Key_Terms\" title=\"Glossary of Key Terms\">Glossary of Key Terms<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/#What_Is_a_Literature_Search\" title=\"What Is a Literature Search?\">What Is a Literature Search?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/#Tips_for_an_Effective_Literature_Search\" title=\"Tips for an Effective Literature Search\">Tips for an Effective Literature Search<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/#What_Is_a_Literature_Review\" title=\"What Is a Literature Review?\">What Is a Literature Review?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/#Tips_for_Conducting_a_Literature_Review\" title=\"Tips for Conducting a Literature Review\">Tips for Conducting a Literature Review<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/#Literature_Search_vs_Literature_Review_Key_Differences\" title=\"Literature Search vs Literature Review: Key Differences\">Literature Search vs Literature Review: Key Differences<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/#What_Are_the_Different_Types_of_Literature_Reviews\" title=\"What Are the Different Types of Literature Reviews?\">What Are the Different Types of Literature Reviews?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/#Frameworks_and_Protocols_for_a_Rigorous_Review\" title=\"Frameworks and Protocols for a Rigorous Review\">Frameworks and Protocols for a Rigorous Review<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/#Tools_and_Technology_for_Literature_Search_and_Review\" title=\"Tools and Technology for Literature Search and Review\">Tools and Technology for Literature Search and Review<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/#How_Long_Does_a_Literature_Review_Take\" title=\"How Long Does a Literature Review Take?\">How Long Does a Literature Review Take?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/#Common_Mistakes_to_Avoid\" title=\"Common Mistakes to Avoid\">Common Mistakes to Avoid<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/#Keeping_Your_Literature_Search_Up_to_Date\" title=\"Keeping Your Literature Search Up to Date\">Keeping Your Literature Search Up to Date<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/#Best_Practices_for_Objectivity_and_Audience\" title=\"Best Practices for Objectivity and Audience\">Best Practices for Objectivity and Audience<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/#Frequently_Asked_Questions\" title=\"Frequently Asked Questions\">Frequently Asked Questions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/#What_is_the_difference_between_a_literature_search_and_a_literature_review\" title=\"What is the difference between a literature search and a literature review?\">What is the difference between a literature search and a literature review?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/#How_many_sources_should_a_literature_review_include\" title=\"How many sources should a literature review include?\">How many sources should a literature review include?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/#What_is_the_difference_between_a_systematic_review_and_a_narrative_literature_review\" title=\"What is the difference between a systematic review and a narrative literature review?\">What is the difference between a systematic review and a narrative literature review?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/#Which_database_is_best_for_an_academic_literature_search\" title=\"Which database is best for an academic literature search?\">Which database is best for an academic literature search?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/#How_long_should_a_literature_review_be_for_a_PhD_thesis\" title=\"How long should a literature review be for a PhD thesis?\">How long should a literature review be for a PhD thesis?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/#What_is_the_PRISMA_checklist_used_for_in_systematic_reviews\" title=\"What is the PRISMA checklist used for in systematic reviews?\">What is the PRISMA checklist used for in systematic reviews?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/#Can_Google_Scholar_be_used_for_a_systematic_literature_review\" title=\"Can Google Scholar be used for a systematic literature review?\">Can Google Scholar be used for a systematic literature review?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/researcher.life\/blog\/article\/difference-between-literature-search-and-literature-review\/#How_do_you_avoid_bias_when_writing_a_literature_review\" title=\"How do you avoid bias when writing a literature review?\">How do you avoid bias when writing a literature review?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Glossary_of_Key_Terms\"><\/span><strong>Glossary of Key Terms<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>This table defines terms used throughout this article. Refer back to it as needed.<\/p>\n<table width=\"624\">\n<thead>\n<tr>\n<td width=\"173\"><strong>Term<\/strong><\/td>\n<td width=\"451\"><strong>Definition<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td width=\"173\"><a href=\"https:\/\/researcher.life\/blog\/article\/how-and-where-to-find-research-papers-for-literature-reviews\/\">Literature search<\/a><\/td>\n<td width=\"451\">The process of finding existing studies, articles, and sources on a topic.<\/td>\n<\/tr>\n<tr>\n<td width=\"173\"><a href=\"https:\/\/www.editage.com\/blog\/what-is-literature-review-definition-types-and-examples\/\">Literature review<\/a><\/td>\n<td width=\"451\">A synthesized, critical summary of existing literature on a topic.<\/td>\n<\/tr>\n<tr>\n<td width=\"173\"><a href=\"https:\/\/www.editage.com\/blog\/conducting-and-reporting-systematic-reviews\/\">Systematic review<\/a><\/td>\n<td width=\"451\">A review that follows a predefined, replicable protocol to reduce bias.<\/td>\n<\/tr>\n<tr>\n<td width=\"173\"><a href=\"https:\/\/www.editage.com\/blog\/meta-analysis\/\">Meta-analysis<\/a><\/td>\n<td width=\"451\">A statistical method that combines numerical results from multiple studies.<\/td>\n<\/tr>\n<tr>\n<td width=\"173\"><a href=\"https:\/\/www.editage.com\/blog\/scoping-review\/\">Scoping review<\/a><\/td>\n<td width=\"451\">A review that maps the breadth and scope of literature on a broad topic.<\/td>\n<\/tr>\n<tr>\n<td width=\"173\"><a href=\"https:\/\/www.prisma-statement.org\/\">PRISMA<\/a><\/td>\n<td width=\"451\">A reporting checklist and flow diagram used to plan and report systematic reviews.<\/td>\n<\/tr>\n<tr>\n<td width=\"173\"><a href=\"https:\/\/www.editage.com\/blog\/what-is-the-pico-framework-in-research-definition-uses-examples\/\" target=\"_blank\" rel=\"noopener\">PICO<\/a><\/td>\n<td width=\"451\">A framework for structuring research questions: Population, Intervention, Comparison, Outcome.<\/td>\n<\/tr>\n<tr>\n<td width=\"173\"><a href=\"https:\/\/www.editage.com\/blog\/grey-literature-definition-sources-types-evaluation\/\">Grey literature<\/a><\/td>\n<td width=\"451\">Research output not published through traditional peer-reviewed channels, such as theses, preprints, or government reports.<\/td>\n<\/tr>\n<tr>\n<td width=\"173\">Citation chaining<\/td>\n<td width=\"451\">Tracing references forward or backward from a known relevant article to find related work.<\/td>\n<\/tr>\n<tr>\n<td width=\"173\"><a href=\"https:\/\/www.editage.com\/insights\/publication-and-reporting-biases-and-how-they-impact-publication-of-research\">Publication bias<\/a><\/td>\n<td width=\"451\">The tendency for studies with positive or significant results to be published more often than those without.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_a_Literature_Search\"><\/span><strong>What Is a Literature Search?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A literature search is a systematic process of finding existing studies, articles, and scholarly sources related to a specific topic or research question. It usually comes before a literature review.<\/p>\n<p>The purpose of a search is to support the formulation of a <a href=\"https:\/\/researcher.life\/blog\/article\/how-to-craft-a-strong-research-question-with-research-question-examples\/\">research question<\/a> and <a href=\"https:\/\/www.editage.com\/blog\/types-of-study-designs-in-biomedical-research\/\">study design<\/a>. It helps identify <a href=\"https:\/\/researcher.life\/blog\/article\/identify-gaps-in-research-tips\/\">knowledge gaps<\/a>, suitable methodologies, and important variables. No study is conducted in a vacuum: every project builds on prior work uncovered through a thorough search.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tips_for_an_Effective_Literature_Search\"><\/span><strong>Tips for an Effective Literature Search<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Identify key words before searching library and internet resources.<\/li>\n<li>Search multiple databases for articles, books, and other scholarly writing.<\/li>\n<li>Use articles similar to your proposed study to find additional key words.<\/li>\n<li>Start with the most recent articles and work backward in time.<\/li>\n<li>Include conference papers, since they often reflect the latest research.<\/li>\n<li>Cast a wide net across databases that may seem only loosely related to your topic.<\/li>\n<li>Treat the search as iterative. Find new key words and sources through references and citations.<\/li>\n<li>Document every article you identify as relevant, to save time later and simplify referencing.<\/li>\n<\/ul>\n<p><em>See also: <strong><a href=\"https:\/\/researcher.life\/blog\/article\/top-ai-tools-for-literature-review\/\">Top 5 AI Tools for Literature Review in 2026<\/a><\/strong><\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Is_a_Literature_Review\"><\/span><strong>What Is a Literature Review?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A literature review is an organized, coherent synthesis of the knowledge found through a literature search. It goes beyond summarizing sources by evaluating, analyzing, and connecting them.<\/p>\n<p>An effective review places a proposed study in the context of prior research and identifies a knowledge gap that the study will address. It demonstrates depth of understanding, not just awareness of existing work.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tips_for_Conducting_a_Literature_Review\"><\/span><strong>Tips for Conducting a Literature Review<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Identify a wide range of articles using a literature search.<\/li>\n<li>Evaluate each article for significance, methodology, and overall quality.<\/li>\n<li>Analyze the chosen studies critically. Note strengths, weaknesses, and relevance to your work.<\/li>\n<li>Synthesize findings across sources. Look for agreement, disagreement, and gaps.<\/li>\n<li>Organize the review by chronology, methodology, or theme, not as a simple list.<\/li>\n<li>Write the review with a clear introduction, body, and conclusion.<\/li>\n<\/ul>\n<p><em>See also: <a href=\"https:\/\/www.editage.com\/blog\/how-to-conduct-and-write-a-literature-review-for-your-dissertation\/\">How to write the literature review chapter of a dissertation<\/a><\/em><\/p>\n<p><strong><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1877 size-full\" src=\"https:\/\/blog.researcher.life\/wp-content\/uploads\/2022\/04\/Sample-2.png\" alt=\"\" width=\"2500\" height=\"480\" srcset=\"https:\/\/blog.researcher.life\/wp-content\/uploads\/2022\/04\/Sample-2.png 2500w, https:\/\/blog.researcher.life\/wp-content\/uploads\/2022\/04\/Sample-2-300x58.png 300w, https:\/\/blog.researcher.life\/wp-content\/uploads\/2022\/04\/Sample-2-1024x197.png 1024w, https:\/\/blog.researcher.life\/wp-content\/uploads\/2022\/04\/Sample-2-768x147.png 768w, https:\/\/blog.researcher.life\/wp-content\/uploads\/2022\/04\/Sample-2-1536x295.png 1536w, https:\/\/blog.researcher.life\/wp-content\/uploads\/2022\/04\/Sample-2-2048x393.png 2048w\" sizes=\"auto, (max-width: 2500px) 100vw, 2500px\" \/><\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Literature_Search_vs_Literature_Review_Key_Differences\"><\/span><strong>Literature Search vs Literature Review: Key Differences<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The table below compares the two processes side by side. A search feeds directly into a review, so the two are sequential, not interchangeable.<\/p>\n<table width=\"624\">\n<thead>\n<tr>\n<td width=\"147\"><strong>Aspect<\/strong><\/td>\n<td width=\"239\"><strong>Literature Search<\/strong><\/td>\n<td width=\"239\"><strong>Literature Review<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td width=\"147\">Purpose<\/td>\n<td width=\"239\">Locate existing sources on a topic<\/td>\n<td width=\"239\">Synthesize and evaluate located sources<\/td>\n<\/tr>\n<tr>\n<td width=\"147\">Output<\/td>\n<td width=\"239\">A list or database of relevant articles<\/td>\n<td width=\"239\">A written, structured narrative<\/td>\n<\/tr>\n<tr>\n<td width=\"147\">Timing<\/td>\n<td width=\"239\">First step in the research process<\/td>\n<td width=\"239\">Follows and depends on the search<\/td>\n<\/tr>\n<tr>\n<td width=\"147\">Core skill<\/td>\n<td width=\"239\">Keyword strategy and database use<\/td>\n<td width=\"239\">Critical analysis and synthesis<\/td>\n<\/tr>\n<tr>\n<td width=\"147\">Guiding question<\/td>\n<td width=\"239\">What has been published on this topic?<\/td>\n<td width=\"239\">What does the published work mean, together?<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Are_the_Different_Types_of_Literature_Reviews\"><\/span><strong>What Are the Different Types of Literature Reviews?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Researchers can choose from several review types, including narrative, systematic, scoping, meta-analysis, umbrella, and rapid reviews. The right choice depends on the research goal, available time, and required rigor.<\/p>\n<p>Here&#8217;s the expanded table with all 11 review types, columns unchanged (3 total, within the 4-column limit):<\/p>\n<table>\n<thead>\n<tr>\n<td><strong>Review Type<\/strong><\/td>\n<td><strong>Purpose<\/strong><\/td>\n<td><strong>Best Used When<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><a href=\"https:\/\/www.editage.com\/blog\/narrative-review-literature-synthesis\/\">Narrative review<\/a><\/td>\n<td>Provides a broad, descriptive overview of a topic<\/td>\n<td>You need general background or context<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.editage.com\/blog\/conducting-and-reporting-systematic-reviews\/\">Systematic review<\/a><\/td>\n<td>Answers a focused question using a predefined, replicable protocol<\/td>\n<td>You need high rigor and minimal bias<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.editage.com\/blog\/scoping-review\/\">Scoping review<\/a><\/td>\n<td>Maps the size, scope, and nature of existing literature<\/td>\n<td>The topic is broad or not yet well defined<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.editage.com\/blog\/what-is-a-mapping-review-definition-guidelines-examples\/\">Mapping review<\/a><\/td>\n<td>Categorizes and visually charts existing literature by theme, method, or location<\/td>\n<td>You need to identify gaps before a deeper review<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.editage.com\/blog\/meta-analysis\/\">Meta-analysis<\/a><\/td>\n<td>Statistically combines results from multiple quantitative studies<\/td>\n<td>Comparable numerical data exist across studies<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.editage.com\/blog\/qualitative-systematic-review-and-meta-synthesis-examples-protocols-tips\/\">Meta-synthesis<\/a><\/td>\n<td>Integrates findings across multiple qualitative studies<\/td>\n<td>You need to synthesize themes from qualitative research<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.editage.com\/blog\/umbrella-review\/\">Umbrella review<\/a><\/td>\n<td>Summarizes findings from multiple systematic reviews<\/td>\n<td>Several systematic reviews already exist<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.editage.com\/blog\/realist-review\/\">Realist review<\/a><\/td>\n<td>Explains how and why an intervention works, for whom, and in what context<\/td>\n<td>You need to understand mechanisms behind an outcome<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.editage.com\/blog\/integrative-review\/\">Integrative review<\/a><\/td>\n<td>Combines diverse methodologies, including experimental and non-experimental studies<\/td>\n<td>Your topic spans multiple research designs<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.editage.com\/blog\/how-to-write-a-critical-literature-review-definition-steps-examples\/\">Critical review<\/a><\/td>\n<td>Evaluates and critiques the quality and contribution of existing literature<\/td>\n<td>You need to challenge or reframe an existing body of work<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.editage.com\/blog\/rapid-review\/\">Rapid review<\/a><\/td>\n<td>Uses a streamlined systematic approach under time pressure<\/td>\n<td>Findings are needed quickly, such as for policy<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Frameworks_and_Protocols_for_a_Rigorous_Review\"><\/span><strong>Frameworks and Protocols for a Rigorous Review<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Established frameworks reduce bias and improve transparency. They are especially important for systematic reviews and meta-analyses, where reproducibility matters.<\/p>\n<table width=\"624\">\n<thead>\n<tr>\n<td width=\"120\"><strong>Framework<\/strong><\/td>\n<td width=\"252\"><strong>Full Name or Focus<\/strong><\/td>\n<td width=\"252\"><strong>Typical Use<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td width=\"120\">PRISMA<\/td>\n<td width=\"252\">Preferred Reporting Items for Systematic Reviews and Meta-Analyses<\/td>\n<td width=\"252\">Reporting and flow-diagram standard for systematic reviews<\/td>\n<\/tr>\n<tr>\n<td width=\"120\">PICO(S)<\/td>\n<td width=\"252\">Population, Intervention, Comparison, Outcome, Study design<\/td>\n<td width=\"252\">Structuring a focused, searchable research question<\/td>\n<\/tr>\n<tr>\n<td width=\"120\"><a href=\"https:\/\/www.cochrane.org\/authors\/handbooks-and-manuals\/handbook\">Cochrane Handbook<\/a><\/td>\n<td width=\"252\">Guidance for healthcare systematic reviews<\/td>\n<td width=\"252\">Step-by-step methodology for health-related reviews<\/td>\n<\/tr>\n<tr>\n<td width=\"120\"><a href=\"https:\/\/www.crd.york.ac.uk\/prospero\/\">PROSPERO<\/a><\/td>\n<td width=\"252\">International registry of systematic review protocols<\/td>\n<td width=\"252\">Pre-registering a review to reduce duplication and bias<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tools_and_Technology_for_Literature_Search_and_Review\"><\/span><strong>Tools and Technology for Literature Search and Review<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The right tools speed up both the search and review stages and reduce manual errors in referencing and tracking.<\/p>\n<table width=\"624\">\n<thead>\n<tr>\n<td width=\"147\"><strong>Category<\/strong><\/td>\n<td width=\"239\"><strong>Examples<\/strong><\/td>\n<td width=\"239\"><strong>Purpose<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td width=\"147\">Academic databases<\/td>\n<td width=\"239\">PubMed, Scopus, Web of Science, Google Scholar<\/td>\n<td width=\"239\">Locate peer-reviewed articles and citation counts<\/td>\n<\/tr>\n<tr>\n<td width=\"147\">Citation managers<\/td>\n<td width=\"239\">Zotero, Mendeley, EndNote<\/td>\n<td width=\"239\">Store, organize, and format references automatically<\/td>\n<\/tr>\n<tr>\n<td width=\"147\">AI-assisted discovery<\/td>\n<td width=\"239\"><a href=\"https:\/\/discovery.researcher.life\/\">R Discovery<\/a> and similar reading and recommendation platforms<\/td>\n<td width=\"239\">Surface relevant, recent articles and summarize content<\/td>\n<\/tr>\n<tr>\n<td width=\"147\">Search syntax tools<\/td>\n<td width=\"239\">Boolean operators, field tags, truncation symbols<\/td>\n<td width=\"239\">Refine and narrow database search results<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_Long_Does_a_Literature_Review_Take\"><\/span><strong>How Long Does a Literature Review Take?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Timelines vary widely by scope. A short background section may take a few days, while a full systematic review can take 6 to 12 months, including screening and protocol registration.<\/p>\n<table width=\"624\">\n<thead>\n<tr>\n<td width=\"213\"><strong>Context<\/strong><\/td>\n<td width=\"411\"><strong>Typical Timeline<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td width=\"213\"><a href=\"https:\/\/www.editage.com\/blog\/introduction-vs-background-research-paper-thesis-dissertation\/(opens%20in%20a%20new%20tab)\">Background section of a journal article<\/a><\/td>\n<td width=\"411\">2 to 5 days<\/td>\n<\/tr>\n<tr>\n<td width=\"213\"><a href=\"https:\/\/researcher.life\/blog\/article\/how-to-write-a-literature-review-for-a-thesis-search-and-synthesis-tips-and-examples\/\">Master&#8217;s thesis literature review chapter<\/a><\/td>\n<td width=\"411\">3 to 6 weeks<\/td>\n<\/tr>\n<tr>\n<td width=\"213\">PhD dissertation literature review<\/td>\n<td width=\"411\">2 to 4 months<\/td>\n<\/tr>\n<tr>\n<td width=\"213\">Systematic review or meta-analysis project<\/td>\n<td width=\"411\">6 to 12 months<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><em>See also: <strong><a href=\"https:\/\/researcher.life\/blog\/article\/how-to-write-a-thematic-literature-review-a-beginners-guide\/\">How to Write a Thematic Literature Review: A Beginner\u2019s Guide<\/a><\/strong><\/em><\/p>\n<p><em>\u00a0<\/em><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Common_Mistakes_to_Avoid\"><\/span><strong>Common Mistakes to Avoid<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Relying on a single database, which narrows the range of relevant sources found.<\/li>\n<li>Ignoring grey literature, which can introduce publication bias into the review.<\/li>\n<li>Listing studies one after another instead of synthesizing themes and patterns across them.<\/li>\n<li>Failing to document search terms, dates, and databases, which makes the search hard to replicate.<\/li>\n<li>Allowing scope creep, where the review drifts beyond the original research question.<\/li>\n<li>Citing outdated sources without checking for more recent, relevant studies.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Keeping_Your_Literature_Search_Up_to_Date\"><\/span><strong>Keeping Your Literature Search Up to Date<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A literature search is not a one-time task, especially for long projects. Fields can shift quickly, and new studies may change the context of your research.<\/p>\n<ul>\n<li>Set up saved searches or email alerts in key databases for your topic.<\/li>\n<li>Re-run your search shortly before submitting a manuscript or thesis.<\/li>\n<li>Track review or revision timelines, since gaps of 6 to 12 months often require an updated search.<\/li>\n<li>Note the exact search date in your methods section for transparency.<\/li>\n<\/ul>\n<p><em>See also: <a href=\"https:\/\/researcher.life\/blog\/article\/literature-mapping-in-research-definition-types-and-benefits\/\"><strong>Literature Mapping in Research: Definition, Types, and Benefits<\/strong><\/a><\/em><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Best_Practices_for_Objectivity_and_Audience\"><\/span><strong>Best Practices for Objectivity and Audience<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Strive for objectivity throughout. Include all relevant viewpoints and avoid starting with an expected conclusion.<\/li>\n<li>Make sure sources and analysis consistently place your study within the context of existing literature.<\/li>\n<li>Let the literature reveal a genuine knowledge gap that your study will address.<\/li>\n<li>Keep your intended audience in mind when choosing depth, tone, and terminology.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span><strong>Frequently Asked Questions<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"What_is_the_difference_between_a_literature_search_and_a_literature_review\"><\/span><strong>What is the difference between a literature search and a literature review?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A literature search finds existing sources on a topic. A literature review analyzes, evaluates, and synthesizes those sources into an organized, written narrative. The search is a step within the larger review process.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"How_many_sources_should_a_literature_review_include\"><\/span><strong>How many sources should a literature review include?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>There is no fixed number. A journal article background section may cite 15 to 30 sources, while a thesis or systematic review can include 50 to 200 or more, depending on scope and field.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_is_the_difference_between_a_systematic_review_and_a_narrative_literature_review\"><\/span><strong>What is the difference between a systematic review and a narrative literature review?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>A systematic review follows a predefined, replicable protocol, often reported using PRISMA, to minimize bias. A narrative review is broader and more descriptive, without a fixed, standardized search or screening method.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Which_database_is_best_for_an_academic_literature_search\"><\/span><strong>Which database is best for an academic literature search?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>There is no single best database. PubMed suits health and life sciences, Scopus and Web of Science offer broad, multidisciplinary coverage, and Google Scholar is useful for casting a wide, informal net.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"How_long_should_a_literature_review_be_for_a_PhD_thesis\"><\/span><strong>How long should a literature review be for a PhD thesis?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Length varies by field and institution, but a PhD literature review chapter commonly runs 8,000 to 12,000 words, or roughly 20 to 40 pages, organized by theme or chronology.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_is_the_PRISMA_checklist_used_for_in_systematic_reviews\"><\/span><strong>What is the PRISMA checklist used for in systematic reviews?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>PRISMA is a reporting checklist and flow diagram that helps researchers plan, conduct, and transparently report systematic reviews and meta-analyses, making the process easier to evaluate and replicate.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_Google_Scholar_be_used_for_a_systematic_literature_review\"><\/span><strong>Can Google Scholar be used for a systematic literature review?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Google Scholar can supplement a systematic review but is generally not recommended as the sole source, since its search functions are less precise and less replicable than dedicated databases like PubMed or Scopus.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"How_do_you_avoid_bias_when_writing_a_literature_review\"><\/span><strong>How do you avoid bias when writing a literature review?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Search multiple databases, include grey literature, document your search strategy, and evaluate studies using consistent, predefined criteria rather than selecting sources that only support an expected conclusion.<\/p>\n<p><i><span data-contrast=\"auto\">R Discovery is a literature search and research reading platform that accelerates your research discovery journey by keeping you updated on the latest, most relevant scholarly content. With 250M+ research articles sourced from trusted aggregators like CrossRef, Unpaywall, PubMed, PubMed Central, Open Alex and top publishing houses like Springer Nature, JAMA, IOP, Taylor &amp; Francis, NEJM, BMJ, Karger, SAGE, Emerald Publishing and more, R Discovery puts a world of research at your fingertips.<\/span><\/i><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559738&quot;:0,&quot;335559739&quot;:240,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><b><i><span data-contrast=\"auto\">Try R Discovery Prime FREE for 1 week or upgrade at just US$72 a year<\/span><\/i><\/b><i><span data-contrast=\"auto\"> to access premium features that let you listen to research on the go, read in your language, collaborate with peers, auto sync with reference managers, and much more. Choose a simpler, smarter way to find and read research \u2013 <\/span><\/i><b><i><span data-contrast=\"auto\">Download the app and <\/span><\/i><\/b><a href=\"https:\/\/rdiscoverymarketing.page.link\/difference-between-literature-search-and-literature-review\"><b><i><span data-contrast=\"none\">start your free 7-day trial today<\/span><\/i><\/b><\/a><b><i><span data-contrast=\"auto\">!<\/span><\/i><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559738&quot;:0,&quot;335559739&quot;:240,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p>This article was originally published on August 29, 2022, and updated on July 16, 2026.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Key Takeaways: A literature search finds existing sources on a topic. A literature review analyzes, synthesizes, and organizes those sources into a coherent narrative. Reviews<\/p>\n","protected":false},"author":37,"featured_media":2556,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_editorskit_title_hidden":false,"_editorskit_reading_time":0,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","footnotes":""},"categories":[37,63],"tags":[355],"class_list":["post-2557","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-r-discovery","category-research-tips","tag-difference-between-literature-search-and-literature-review"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Differences Between Literature Search and Literature Review | Researcher.Life<\/title>\n<meta name=\"description\" content=\"If you\u2019re just starting out in academia, you may confuse between terms literature search and literature review. 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