Although novices show age-related deficits in many areas, experts of all ages are able to maintain their proficiency in many occupations

Similar concordance rates for a given trait in monozygotic (MZ) and dizygotic (DZ) twins suggests that the trait may be due to

a. genetic causes. b. endocrine causes. c. environmental causes. d. phonotypical causes.

A psychotherapist tries to get her depressed client to understand the logical process he uses when coming to the conclusion that he is a worthless person. This psychologist probably is an advocate of which approach to psychotherapy?

A. Psychoanalysis B. Humanistic psychotherapy C. Behavior therapy D. Rational emotive behavior therapy