Early rearing of animals in enriched environments
a. changes the brain in unpredictable ways.
b. has no discernible effects on the brain.
c. causes brain tissues to atrophy and degenerate.
d. improves the size and connectedness of the brain.
D
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Experts who defend intelligence tests against accusations of racial bias note that racial differences in intelligence test scores
a. have increased in the past decade despite the introduction of less culturally biased test items. b. occur on nonverbal as well as verbal intelligence test subscales. c. are a clear indication that the heritability of intelligence approaches 100 percent. d. are just as significant as intelligence differences among members of a single race. e. are directly related to chromosomal differences discovered between races.
What effect do the drugs used in the treatment of schizophrenia have on people?
(a) they make the person accessible to psychotherapy (b) they calm the person (c) they reduce hallucinations (d) all of these (e) none of these