Richard Herrnstein and Charles Murray's 1994 book, The Bell Curve, argues that
A) IQ variations are largely determined by differences in environment.
B) heredity contributes substantially to individual and SES differences in IQ.
C) ethnic and social class differences in IQ are unfounded.
D) IQ shows significant fluctuations over the lifespan.
B
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When school-age children provide descriptions of themselves, they
A) seldom include negative traits in their descriptions. B) are more likely than younger children to rely on concrete descriptions of their appearance. C) are likely to use abstract terms such as "fair," "just," or "insightful" in their descriptions. D) are far less likely than younger children to describe themselves in extreme, all-or-none ways.
Schizophrenia is best described as a a. single disorder, affecting all patients in similar ways
b. single disorder, with multiple causes. c. spectrum of disorders, with multiple courses and outcomes. d. spectrum of disorders, with a single cause.