According to new research from the University of Luxembourg, violent video games suffer from what researchers describe as the “Macbeth Effect” (see Lady Macbeth Effect). Dr. André Melzer from the University of Luxembourg and Dr. Mario Gollwitzer from the Philipps-University Marburg examined the behavior of 76 players after they played 15 minutes of “violent video game play.”

Read more: Inexperienced video gamers show Macbeth effect