Approximately what percent of American eighth-graders smoke on a daily basis?

The symptoms of schizotypal personality disorder can fairly accurately predict

A. the dissipation of schizophrenia B. the development of schizophrenia C. the dissipation of a mood disorder D. the development of antisocial personality disorder

Cross-fertilization of theories has been used in personality psychology. Which sources of ideas influenced personality psychologists during the past several decades?

A. learning psychology. B. cognitive psychology. C. self-regulation. D. All of the above.