Boys and Girls were much more likely to imitate aggressive behaviour if the model was the same gender.
Either watched an aggressive model - With an adult punching and hitting a bobo doll with a hammer, or a non - aggressive model.
3 in 1963
The children were then taking to a room and given toys they weren't allowed to play with. They then were moved to another room with a bobo doll and a hammer. They behaviour was then observed through a one way mirror.
This is a prime example of Vicarious Reinforcement being used
Findings:Boys showed higher levels of aggression then girls.Aggressive model kids showed much more verbal and physical aggression towards the doll.Non - aggressive kids showed virtually no aggression toward the doll.
A follow up study was done with 3 conditions.Model rewarded for aggressive behaviourModel punished for aggressive behaviourNo Conequences
Findings:Children in model rewarded condition most likely to imitate aggressive acts.Children in model punished group most likely to imitate aggressive acts.