This document summarizes key concepts from a chapter on social psychology. It covers topics like conformity, obedience, attitudes, social cognition, prejudice, and stopping prejudice. Specific studies and theories discussed include Asch's conformity experiments, Milgram's obedience study, the elaboration likelihood model of persuasion, attribution theory, social identity theory, and approaches for reducing prejudice like increasing contact between groups. Learning objectives are provided for each major section to guide student learning.