The foundation of research writing is finding credible sources. When students begin researching online, however, this can quickly turn into a slipper slope. Not all .com sources are bad, so how do we help students learn how to weed through the process? This source goes beyond the basics of having students look at the end of a URL while researching online. Instead, this resource has students focusing on four key components when evaluating a digital source: relevance, accuracy, bias/perspective, a