This document provides guidance on evaluating the credibility of sources using the CRAAP test, which stands for Currency, Relevance, Authority, Accuracy, and Purpose. It discusses why source evaluation is important and what makes a source trustworthy or untrustworthy. It then defines each component of the CRAAP test and provides questions to consider for evaluating a source on currency, relevance, authority, accuracy, and purpose. The document also discusses how Wikipedia can be used as a background resource but not as a direct citation. It concludes by having the reader apply the CRAAP test to evaluate potential sources for an essay.