Decades of research have examined the question of whether or not exposure to violent video games, television, and film are associated with greater levels of aggression. In fact, meta-analyses of these studies clearly support the fact that media violence is correlated with aggressive and antisocial behavior. A recent study examining the dosage effects of playing mature video games predicted greater risk for bully perpetration among middle schoolstudents.
Discrimination and prejudice have been documented over time. Prejudices such as homophobia, sexism, classism, racism, set fertile ground for bullying and victimization.