In the U.S., approximately ____ of those over 18 smoke
a. ?5%
b. ?10%
c. ?20%
d. ?30%
ANSWER:
c
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Approximately what proportion of American adolescents who are clinically depressed have at least one other psychological disorder?
A) 4/5 B) 2/3 C) 1/2 D) 1/4
True or False: We can use a correlation coefficient to examine the causal relationship between two variables as long as the independent variable has been manipulated.
a. True b. False
The_______ is the part of the brain that stores lasting memories
a. hindbrain b. temporal lobe c. occipital lobe d. hippocampus e. medulla
At some time during middle age, adult children realize that their parents are old and that now they must be a pillar of strength for their parents, as well as for their own children. This realization may be
A. exciting. B. distressing. C. comforting. D. surprising.