An essential 21st-century skill is the ability to sort through and evaluate information critically in order to have an accurate understanding of the world. Source Credibility is the process of critically analyzing components of a source in order to determine whether it is a valid, trustworthy, and reliable source of information for the intended purpose. The resources found here— which can be used as a cohesive unit or incorporated into your curriculum plan—are designed to provide both teachers and students with an accessible and organized approach to evaluating the many aspects of source credibility effectively.