This document outlines skills and methods for evaluating the reliability and credibility of information sources in social studies. It discusses understanding propaganda and bias, analyzing source reliability, and determining credibility by considering the reputation of writers, agreement with other sources, recognition of stereotypes, accuracy and consistency, and circumstances of writing. Key factors for determining credibility include an author's qualifications, consistency with other sources, presence or absence of stereotyping, currency of information, and context surrounding the writing.