In Bushman's Experiments on Media Violence and Aggression, Undergraduate Psychology

In Bushman's experiments on media violence and aggression, undergraduate psychology students were recruited to ______.

A) watch a 15-minute videotape in a screening room, one student at a time
B) listen to a 15-minute tape in an office, one student at a time
C) watch a 30-minute videotape in a screening room, along with other students
D) watch 30 minutes of a preselected violent television show