500
John only cleans his room when his grandmother comes to visit. She comes once a month, but he never knows what day. He knows that if he puts things back where they belong he won't have as much to do, but it's much easier to throw them on the floor and go play video games. However, when he finds out his grandmother is coming, he must frantically pick everything up and put it away. He knows that if his room isn't clean, his grandmother will yell at him.
Identify:
primary or conditioned reinforcer?
immediate or delayed?
continuous or partial?
reinforcement schedule?
type of reinforcement?
conditioned, delayed, partial, variable-interval, positive punishment