Book excerpt: The research presented in this book, originally published in 1986, looks to pinpoint the psychological processes involved in the media violence-aggression relation. Expanding on earlier studies, the compilation of essays here delves deeply into aggression study and compares results about media influence across 5 countries. Cultural norms and programming differences are investigated as well as age and gender and other factors. What is offered overall is a psychological model in which TV violence is both a precursor and a consequence of aggression.