Richard Herrnstein and Charles Murray's 1994 Book,The Bell Curve,argues That

Multiple Choice

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.