This time they focused on mechanics rather than content, and their findings suggest that it isn't violence in video games that cause aggression, but feelings of incompetence and frustration. Wether from being actually bad at the game, or because the game feels unfair, or just the game having bad controls.
They did 6 separate studies, not just one, and one of them involved modifying a version of HL2 to be non-violent, where participants were divided into four groups: those playing the original HL2 with tutorial, those playing the original without tutorial, those playing the mod with tutorial and those playing the mod without tutorial. The ones playing without tutorial exhibited the most aggression, regardless of wether they were playing the violent or nonviolent version.
They did 6 separate studies, not just one, and one of them involved modifying a version of HL2 to be non-violent, where participants were divided into four groups: those playing the original HL2 with tutorial, those playing the original without tutorial, those playing the mod with tutorial and those playing the mod without tutorial. The ones playing without tutorial exhibited the most aggression, regardless of wether they were playing the violent or nonviolent version.
Source:[link]http://www.bbc.com/news/technology-26921743[/link]"If players feel thwarted by the controls or the design of the game, they can wind up feeling aggressive.
"This need to master the game was far more significant than whether the game contained violent material.