You are baffled about how to untangle the influence of heredity and environment on intelligence. According to your text, you should ____.?
a. ?do a longitudinal study where you give people IQ tests every two years from infancy to early adulthood
b. ?calculate the IQ of parents and their offspring, which would show the influence of the environment
c. ?measure and compare the IQs of identical twins, of fraternal twins, and of siblings reared either together or separately
d. ?map the genes responsible for intelligence
ANSWER:
c
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One difference between the Big Five and the Five-Factor Model is that
a) only the Five-Factor Model was derived through the use of factor analysis. b) the Big Five is based on experimental studies, whereas the Five-Factor Model is based on language studies. c) the Big Five simply provides a description of the factors, whereas the Five-Factor Model provides an interpretation of the factors. d) the Big Five suggests that factor differences are due to genetics and are stable over time; the Five-Factor Model makes no such claims.
Research shows that maternal employment
A) reduces the time school-age children spend with their fathers. B) often predicts declines in children's academic achievement. C) tends to create increased gender-stereotyped beliefs in children. D) leads fathers to take on greater child-care responsibilities.