This study examined the desensitizing effect of active or passive exposures to violent video games on male college students' physiological arousal when viewing a violent film.The study employed a 2(active or passive exposure) x 2(violent or nonviolent video game) factorial design.Half of the forty four participants were randomly assigned to either playing a violent video game or watching the records of someone else playing the violent game for 15 minutes,and the other half assigned to playing or watching a nonviolent video game.Then all th...