A Boy Is Sent to His Room and Is Not

Multiple Choice

A boy is sent to his room and is not allowed to watch television with the rest of the family until he can do so without yelling and jumping in the living room.When he returns to the living room,he sits down quietly.What does the boy's change in behaviour illustrate?

A) positive reinforcement.
B) positive punishment.
C) negative reinforcement.
D) negative punishment.