This book introduces all the major approaches to categorization in social psychology. Approaches covered include: biased stimulus processing, construct activation, self-categorization, explanation-based, social judgeability and assimilation/contrast. Craig McGarty's wide-ranging and up-to-date treatment of concepts from cognitive as well as social psychology also introduces several controversial and original ideas and the book is certain to engage the interest of readers in cognitive psychology, philosophy and linguistics as well as social psychology.