There are definitely games kids shouldn't be playing, she said, for example those where hunting down and killing people is the goal. But she argues that the label "violent video games" is too vague.

and used it to help predict the effects of violent video games in a sample of 118 teenagers. Each participant played a violent or a non-violent video game and had his or her hostility levels assessed.

Violent video games often are blamed after highly publicized shootings, both in the U.S. and abroad. Examples include the shootings at Virginia Tech, Sandy Hook and in Munich, Germany. "We quickly see ...