Brad Bushman, professor of communication, was interviewed by CNBC about the research effects of studying aggression and violent video games.

While some psychologists have produced studies showing a link between violent media consumption and aggression, Bushman cautions against jumping immediately to causative conclusions.

"You can’t measure violent, criminal behavior in a laboratory experiment," said Bushman. "For example, we can't give our participants guns and knives and see what they'll do with them after they play a violent game."

Watch the full feature on YouTube.