This text investigates the fundamental psychological and environmental mechanisms that trigger human aggression and the subsequent societal consequences. Leonard Berkowitz, a prominent social psychologist, synthesizes decades of experimental research to construct a framework explaining how internal cognitive states and external situational cues interact to produce violent or hostile behavior. The book argues that aggression is not merely an innate drive but a complex response shaped by social learning, emotional arousal, and environmental stimuli.

Experts recognize this work as a foundational text in the study of social aggression, frequently cited for its rigorous synthesis of experimental data. Readers often note the academic density of the prose, which is best suited for students and researchers in the behavioral sciences.