between violent video games and prosocial behavior, ..

Often cited in popular media for insights into his two areas of research: how violent video games affect behavior; and relationship issues, Dr. Markey is a great source for stories that delve into interpersonal behaviors. He directs Villanova's Interpersonal Research Laboratory which seeks to understand how behavioral tendencies develop and are expressed within social relationships. Research in the lab examines how interpersonal behaviors affect unhealthy dieting, civic behavior, personality judgment, and aggression after playing violent video games.

Studies on how violent video games affect behavior date to the mid 1980s, with conflicting results

People who say there aren't enough studies on violent video games don’t know what they are talking about. There is little margin of error, and the findings are so statistically significant that there is no question that violent video games affect behavior.”

the long-term effects that violent games can have on children

"There is little margin of error, and the findings are so statistically significant that there is no question that violent video games affect behavior.". "People who say there aren't enough studies on violent video games don’t know what they are talking about," Bushman said. "There is little margin of error, and the findings are so statistically significant that there is no question that violent video games affect behavior."

BBC NEWS | Health | Violent games 'affect behaviour'

What research has been done on the link between video games and violence, and what does it really tell us?
Studies on how violent video games affect behavior date to the mid 1980s, with conflicting results. Since then there have been at least two dozen studies conducted on the subject.

people who played violent video games were found ..