children mimicked the behaviour and learnt aggressive behaviour

 aggressive behaviour increased after playing Mortal Kombat than golf

  exposure to film violence - found that the children were more aggressive

 264 = aggression in children, 168= aggression in adults -  correlation between being aggressive when you are younger as well as older 

1Heusman's study may be  - what may be seen as aggressive in one time period can change over tim

 we don't know how reliable other studies are, how controlled their variables were, time consuming

 giving evidence for FAH - Frustration aggressive hypothesis - frustration not aggression from losing

  neglecting other factors e.g. genetic factors, hormonal and neural, mental health