This document provides information on how to evaluate different types of information sources and apply critical thinking skills. It discusses the importance of recognizing problems, asking important questions, and analyzing information from multiple sides when doing research. Various types of information sources like books, journals, magazines, websites, and television are examined, with guidance on how to identify scholarly versus non-scholarly sources. Criteria like the presence of citations and references, article length, intended audience, and publisher are provided to help evaluate the reliability of different sources.