There were three friends. Maybe you've heard of them! Harry was rational, logical, and cunning. Hermione was rule-oriented, moral, and always ethical. Ron was pleasure- seeking, found it hard to delay gratification, and usually just did what he wanted. According to Freud, Hermione was mostly

Ritualistic, repeated actions designed to prevent intrusive thoughts are called

a. obsessions. b. convulsions. c. compulsions. d. delusions.

If one member of a pair of identical twins is dependent on alcohol, the other twin

A. is virtually certain to also be dependent on alcohol. B. has about a 50 percent chance of also being dependent on alcohol. C. has about a 10 percent chance of also being dependent on alcohol. D. is not at any greater risk for alcohol dependence than anyone else.