This document summarizes key concepts from social psychology including person perception, attitudes, conformity, group dynamics, and interpersonal attraction. It discusses how people form quick judgments of others based on appearance and stereotypes. Factors that influence attitudes include mere exposure effect, persuasive communicators, and cognitive dissonance. Conformity studies show people tend to comply with group norms. Group dynamics examine social loafing, polarization, and groupthink. Interpersonal attraction is influenced by similarity, self-disclosure, and cultural mating priorities.