Bandura Ross & Ross: Children who observed aggressive role models were more likely to behave aggressively, compared to the control group. This supports SLT as it suggests that we learn violent behaviour through observation and imitation. However, arguably the bobo doll is designed to be hit - demand characteristics are not eliminated.
Williams: Studied the town of Notel in Canada. Measured aggression before and after TV was introduced and found increased levels of aggression after TV was introduced. This supports SLT as it suggests that exposure to role models increases violence. However, the Ps were all from Canada and so the sample is biased and the results cannot be generalised.
Bogart: Asked 100 criminals if they…