Studies consistently show that physical punishment is an effective, long-term strategy for ensuring obedience and compliance in children.

Hyperactivity is a serious childhood problem because

a. of its association with severe brain damage and retardation. b. it cannot be treated. c. it interferes with success in school and learning in general. d. hyperactive children tend to be self-destructive and withdrawn.

Your college roommate, like most of your friends, uses her cell phone to text quite a bit. If she is like the average college student, how many text messages a week would she send to her parents?

a. 33 b. 23 c. 13 d. 3