This handbook provides an authoritative, up-to-date overview of the social psychology of group processes. Each of the 26 chapters have been written by a carefully chosen authors from around the world to provide a classic and current overview of research as well as providing a description of future trends within the area. The topics covered include group decisions, juries, group remembering, roles, status, leadership, social identity and group membership, socialization, group performance, negotiation and bargaining, emotion and mood, computer-mediated communication, organizations and mental health. This book is essential reading for any serious scholar of group behavior.