Barry Is a Two-Year-Old, Who Is Throwing His Blocks Against

Multiple Choice

Barry is a two-year-old, who is throwing his blocks against the wall in the living room. When he does not stop this behavior at his mother's request, his mother puts Barry in time-out by having him sit quietly facing the corner of the room for 5 minutes. Barry's mother has used ________ to stop Barry's misbehavior.

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