The sympathetic nervous system
a. keeps rage and death instincts under control.
b. only operates during times of low stress.
c. permits people to react with empathy to tragic situations.
d. prepares the body to cope with a dangerous situation.
e. relaxes the body and helps digestion.
d. prepares the body to cope with a dangerous situation.
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Which of the following is true of adolescent cognitive skills? a. Metacognitive skills develop after the physical changes of puberty are complete
b. Adolescents' processing speed slows because of changes in brain structure. c. Adolescents experience an increase in working memory but a decrease in long-term memory. d. Adolescents are more likely than children to outline and highlight study materials.
Three-year-old children tend to think that the Stroop test is really easy, as compared to six-year-old children, 12-year-old children, or adults. This is because, in general, three-year-olds ____
a. do not have fully formed schemas b. do not know how to read c. have not made lasting associations between colors and particular objects d. are less likely to rely on automatic processing
_______ validity is a measure which refers to the extent to which a test score is related to some measure of job performance
a. Content b. Construct c. Criterion d. Concurrent
Research by Gilbertson and colleagues suggests that the reduced hippocampal volume observed in combat veterans with PTSD is:
A) a direct consequence of extreme stress and a sign of the disorder. B) a direct consequence of extreme stress and a symptom of the disorder. C) a preexisting condition that makes persons vulnerable to PTSD. D) both a cause and a consequence of PTSD.