To Ferguson, it goes to show that tying violent video games to behavior is a dangerous misconception. In 2015, Ferguson conducted one of the most thorough meta-analyses to date of the topic in Perspectives in Psychological Science, analyzing 101 studies that explored the effect of video games on children’s violent tendencies.
Here’s what he found: Connections to violent video games to increased aggression, reduced prosocial behavior, reduced academic performance, depressive symptoms, and attention deficit issues were minimal to practically nonexistent. “There’s no conclusive evidence that video games impact even mild aggression,” Ferguson said.
Source: Experts: The Myth of Video Games Making Killers Is ‘Nuts’