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Conduct a Literature Review

A guide to walk you through the process of doing a literature review

Evaluate Popular (Non-Scholarly) Sources


Popular sources refer to magazines, newspapers, and social media. They are not peer-reviewed, but they help you quickly build a general overview of a topic. How do you evaluate popular sources? To determine the trustworthiness of these sources, you can use the CRAAP test.

CRAAP Test


CRAAP test is a simple tool to help you evaluate information sources. It involves asking yourself a few questions across 5 key aspects to determine whether a source is suitable for your research or decision-making. Watch this video to learn how it works.

Source: Shake Library

CRAAP - Quick Checklist


Criteria Description Questions
C - Currency Timeliness of information
  • When was it published?
  • Has it been updated?
  • Does your topic need current information, or are older sources acceptable?
  • Are the links functional?
R - Relevance Contextual fit
  • Does it relate to your topic?
  • Who is the intended audience?
  •  Is it at an appropriate level for your needs?
    (i.e. not too elementary or advanced for your needs)
  •  Have you consulted various sources, before determining this is one you will use?
  •  Would you cite this in your academic research?
A - Authority Source credibility
  • Who is the author/sponsor?
  • What are their credentials or affiliations?
  • Is the author qualified on the topic?
  • Any contact information available?
  • Does the website URL reveal anything about the source?
    .gov - a government site
    .edu - an educational site
    .com - a commercial sit
    .org - an organization site
A - Accuracy Reliability of content
  • Where does the information come from?
  • Is it supported by evidence?
  • Has it been reviewed?
  • Can you verify it through other sources or personal knowledge?
  • Is the language or tone unbiased?
  • Are there spelling or grammatical errors?
P - Purpose Reason for existence
  • Do the authors make the intentions clear?
  • What is the purpose? E.g. to inform, teach, sell, or persuade
  • Is it fact, opinion, or propaganda?
  • Is the viewpoint objective and impartial?
  • Are there any biases? E.g. political, cultural, religious, personal biases

Modified based on Evaluating Information - Applying the CRAAP Test By Meriam Library, California State University, Chico

Crash Course - Navigating Digital Information


This Crash Course "Navigating Digital Information", presented by John Green, provides plenty of practical strategies and tips on evaluating the information we read online, including photos, videos, data/statistics and infographics. Check out the videos to learn more!

  1. Introduction [13:34]
  2. The Facts about Fact Checking [13:55]
  3. Check Yourself with Lateral Reading [13:52]
  4. Who Can You Trust? [14:46]
  5. Using Wikipedia [14:16]
  6. Evaluating Evidence [13:21]
  7. Evaluating Photos & Videos [13:19]
  8. Data & Infographics [13:02]
  9. Click Restraint [12:47]
  10. Social Media [16:51]