Adolescents' perceptions of invulnerability may come from
a. the surge in hormones that accompanies the onset of puberty.
b. the increased use of alcohol and drugs during adolescence.
c. their tendency toward having personal fables.
d. a tendency for adolescents to overestimate the risks of certain behaviors.
c
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If we test the mean amount that alcoholic subjects drink before and after therapy, and that difference is NOT statistically significant, this could mean
a. the therapy was not effective. b. the sample size was too large. c. the study lacked sufficient power. d. a and c
An oversecretion of the corticoids can cause a condition in which a woman may grow a beard or a man's voice may become so low it is difficult to understand. This condition is known as
a. acromegaly. b. virilism. c. cretinism. d. agnosia.
According to the Wechsler scales, ________% of the population has IQ scores above 130 or below 70
a. 1 c. 16 b. 4 d. 32
Drugs that block a neurotransmitter' activity are called
A) agonists. B) antagonists. C) excitatory. D) reuptake inhibitors.