Evaluating sources is a critical part of doing research!
There are many different approaches to evaluating sources, both traditional print books/journals and websites. They generally use similar criteria. I prefer using the 5 Ws:
Based on Kathy Schrock’s 5 W's of Web Site Evaluation http://www.schrockguide.net/information-literacy.html
Tip: Is this information published by an organization or company? If there is no other author listed, consider the organization/company to be the author.
Determining bias in a source can be challenging because it isn't always obvious; bias can be very subtle. There also isn't a single step to take, but the steps that you take to evaluate a source can help you identify bias.
The following guide from the University of Wisconsin-Green Bay Libraries lays out some excellent steps if you're having trouble.
Throughout the research process, you should be evaluating your sources to determine if they meet your research needs. Below are some guidelines to follow in the evaluation of your sources. These guidelines can be applied to books, articles, websites and any other resource you may be using.
Text only is available in the document below.