In addition to determining what kind of source will suit your needs in a specific situation, consider the quality of the information within the source. There are many factors to consider when evaluating the sources you encounter: How current is the information? What credentials or expertise does the author have? What kind of evidence is the author using to support his or her claims? Does the information seem biased? In order to weigh these factors effectively, it can be helpful to compare a few different sources on one specific topic. Watch this short video to find out more.