Thinking Critically About: The Effects of Viewing Media Violence
Media researchers have reached a near-consensus on what contributes to the violence-viewing effect. (This infographic is from Psychology, 5th Edition, Chapter 6.)
Researchers have correlated media exposure with aggressive behavior, meaning that our media inputs do indeed predict our social behavior. And to explore cause-and-effect, researchers have experimented, observing increased aggression in response to provocation among those randomly assigned to observe media violence.