This chart shows the average number of aggressive behaviors children imitated after seeing a model rewarded, punished, or receiving no consequences for aggressive behavior. In the no-incentive test, the children were simply left alone in the room with the Bobo doll and were given no instructions. In the positive-incentive test, they were offered a reward to do what they had seen the model do. The results clearly show that the children had learned from what they observed and that they had learned more than they initially showed. (Adapted from Bandura, 1965)