How to Prevent Boys From Playing With a Toy

Freedman wanted to see if he could prevent second to fourth grade boys from playing with a fascinating toy, just because he had said that it was wrong to do so some six weeks earlier. Freedman tried this threat procedure on 22 different boys, and 21 of them never touched the robot while he was gone. Friedman's severe threat, which had been so successful six weeks before, was almost totally unsuccessful when he was no longer able to back it up with punishment. But freedman wasn't finished yet. He changed his procedure slightly with a second sample of boys. These boys too were initially shown the array of five toys by friedman and warned not to play with a robot While he was