Whether you think of it or not, you evaluate sources every day. You make decisions with what you know based on the information you need and the people or institutions you know you can get the information from. Here are some things to keep in mind when gathering information from various sources.
Use the CRAAP test when trying to identify whether a source is credible and relevant to your research.
Peer review is an important process of scholarly work. Often times seeing the term "peer review" lens credibility to the work. Learn more about the peer review process through these modules: