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Public Health and MPH Program

Resources for Health Science & the MPH program, including PubMed, journals, and how to obtain help.


Evaluating Information

These sites can help you evaluate the accuracy, reliability, and currency of information in general, and Internet information in particular.

Websites for Health Information

Evaluating Websites

When evaluating websites, determine the following:  

  • Who is the author or organization?
    • Are the author's credentials or organizational affiliations given?
    • What are the author's credentials or organizational affiliations?
    • What are the author's qualifications to write on the topic?
    • Does the URL reveal anything about the author or source? examples: .com, .edu, .gov, .org, .net *
  • Date of creation or revision- usually located in the footer
    • When was the information published or posted?
    • Has the information been revised or updated?
    • Is the information current or out of date for your topic?
  • Is Information Accurate? 
    • Where does the information come from?
    • Is the information supported by evidence?
    • Has the information been reviewed or refereed?
    • Can you verify any of the information in another source or from personal knowledge?
    • Does the language or tone seem biased or free of emotion?
    • Are there spelling, grammar, or other typographical errors?
  • Purpose:
    • What is the purpose of the information? To inform? teach? sell? entertain? persuade?
    • Do the authors/sponsors make their intentions or purpose clear?
    • Is the information fact? opinion? propaganda? Does the point of view appear objective and impartial?

Adapted from The CRAAP Test by Sarah Blakeslee at Chico State's Meriam Library.