Studies That Evaluate the Effectiveness of Psychotherapy Generally Find That

Studies that evaluate the effectiveness of psychotherapy generally find that

A) people who receive no treatment are just as likely to improve as those who receive psychotherapy.
B) almost no psychologically disturbed people improve without the benefits of psychotherapy.
C) people are actually more likely to improve without psychotherapy than with it.
D) the average psychotherapy patient improves more than do about 80% of the untreated people.