Greater risk in a research study is acceptable when
A. clear and immediate benefits to the participants are expected.
B. the research has obvious scientific and social value.
C. valid and interpretable results will be produced.
D. all of these
D. all of these
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The proportion of variation in the criterion that is knowable in advance from knowledge of the test scores can be found by
a. construct-irrelevant variance. b. the validity coefficient. c. squaring the validity coefficient. d. the square root of the validity coefficient.
What is the general average IQ score in the United States?
A. 95 B. 100 C. 105 D. 110
Lie detector tests use what assumption in detecting liars??
a. ?Lying is emotionally arousing. b. ?Taking lie detector tests is emotionally arousing. c. ?A liar is emotionally aroused most of the time. d. ?An honest person is not emotionally aroused when taking the test.
LSD is thought to act in the brain by influencing __________
a. serotonin b. dopamine c. endorphins d. norepinephrine