Regarding marijuana, which of the following statements is FALSE?
a. When surveyed at age 29, nonusers of marijuana are healthier, earn more, and are more satisfied with their lives than people who smoke marijuana regularly.
b. Marijuana is classified as a mild hallucinogen.
c. Marijuana smoke contains 50 percent more cancer-causing hydrocarbons and 16 times more tar than tobacco smoke does.
d. Marijuana enhances the immune system, decreasing one's risk of disease.
D
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A score at the 98th percentile is approximately how many standard deviations above the mean?
a. 0 b. 1 c. 2 d. 98
Moreno’s psychodrama
a. uses experiments and exercises to stimulate change. b. is based on Freud’s psychoanalytic principles. c. uses learning principles to modify behavior rather than cognitions. d. uses the group to teach members about theater. e. asks members to role play to stimulate emotional experiences.
Dee used to think that everyone else liked the same people she did and hated the same people she did. She now realizes that different people have different opinions toward others. Piaget would suggest that Dee has recently become a ____ thinker
a. preoperational b. formal operational c. concrete operational d. sensorimotor
Your tendency to study more before a scheduled test, to study less right after that test, and then start another studying frenzy right before the next test illustrates the typical pattern of which schedule of reinforcement?
a. fixed ratio b. fixed interval c. variable ratio d. variable interval