The fact that children with higher IQ scores tend to come from homes that contained age-related play materials best supports the theory that
a. intelligence and poverty are highly positively correlated events
b. environmental factors impact intelligence.
c. genes determine intelligence.
d. identical twins are more intellectually similar than any random set of siblings.
b
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The beliefs about homosexuality among the Sambia tribe illustrate
a. that such behavior is considered abnormal in all cultures. b. that cultures in developing nations are more accepting of sexual nonconformists than other cultures. c. that classification of sexual practices as abnormal is strongly influenced by culture. d. that there really is no such thing as abnormal sexual behavior.
The continued use of barbiturates to treat insomnia tends to cause
a. a reduction in insomnia episodes. b. an increase in narcolepsy. c. a dependency on the barbiturates. d. an increase in nocturnal enuresis.