Although violent entertainment has existed for centuries, the media have made it more accessible than ever before. In modern societies, people are immersed in media, like fish in water. Using hand-held devices, people can consume media just about anywhere they want, anytime they want. Moreover, violence is a common theme in the media, and research…

Dramatic rises in youth violence in the United States beginning in the 1980s coupled with high visibility acts such as school shootings have resulted in a corresponding proliferation of programs designed to prevent aggression and violence in children and youth. Parallel with this increasing programmatic expansion, there have been repeated calls…