Research on the Link Between Media Violence and Aggression Has

Research on the link between media violence and aggression has demonstrated that

A) exposure to violent films increases aggressive behavior in the lab, but decreases aggressive behavior in the field.
B) violent films increase aggressiveness, but violent music videos and song lyrics do not increase aggressiveness.
C) all media violence ultimately reduces aggression by providing a cathartic outlet.
D) all forms of media violence appear to increase the likelihood of aggressive behavior.