Which is true of androgens and estrogens?
A. Only males have androgens; only females have estrogens.
B. Only males have estrogens; only females have androgens.
C. Males and females have androgens and estrogens in similar amounts.
D. Males and females both have androgens and estrogens, but in different amounts.
Answer: D
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Functional fixedness refers to
a. continued use of problem-solving strategies that have worked in the past. b. arriving at a particularly insightful solution to a problem. c. focusing on information that is irrelevant to the solution of the problem. d. the tendency tosee an items only in terms of its most common use.
Michiko was insecurely attached as an infant. Which behavior is least likely to occur? a. Michiko is usually calm when interacting with other children
b. Michiko does not have as many friends as most children. c. Michiko does not display adequate social skills with her peers. d. Michiko has a difficult time resolving conflicts with others.
Phenothiazines, a group of drugs used to treat schizophrenia, block the action of the neurotransmitter
a. dopamine. c. endorphins. b. acetylcholine. d. norepinephrine.
In a study with more than two levels of the independent variable, comparisons of pairs of means that are planned before the study is performed are called:
a. post hoc tests. b. F tests. c. pretests. d. a priori tests.