hey looked at experimental study
results and nonexperimental study results separately. The experimental studies showed
short-term exposure to violent video games causes at least a temporary increase in
aggression. The nonexperimental studies showed exposure to violent video games is
correlated with aggressive behaviors. Nonexperimental studies are not as powerful of a
study design as experimental studies because they do not prove causation, but it is still
useful to show that exposure to violent video games and aggressive behaviors are
associated with each other.