Your roommate spends hours in front of a mirror before going out on a blind date. You say to yourself, "He is clearly suffering from

A person may have short-term success with antipsychotic or antidepressant drugs, but at least half of patients stop taking them, often because of the ________ of the medication

a. foul taste b. unpleasant side effects c. unproven effectiveness d. societal stigma

A major limitation of cross-sectional research is that

A) age-related changes may be distorted because of participant dropout. B) findings may not generalize to the real world. C) age differences may be distorted because of cohort effects. D) control over the treatment group is usually weak.