The fourth edition of this best-selling textbook offers a comprehensive and up-to-date overview of the social psychology of aggression, covering all the relevant major theories, individual differences, situational factors, and applied contexts. The book examines a range of topics that can help us understand the causes, forms, and consequences of aggression and violence in order to better address these harmful forms of social behaviour. Initial chapters cover the definition and measurement of aggression, examine the development of aggression, and cover the role of situational factors in eliciting aggression and the impact of using violent media. The second part of the book focusses on specific forms and manifestations of aggression, including chapters on aggression in everyday life and in the family, sexual aggression, intergroup aggression, and terrorism. The final chapter presents strategies for reducing and preventing aggression. The new edition also includes additional coverage of