The main reason for adolescent risk-taking behaviors is that the adolescents are not aware of the dangers

Compared to young adults who finished high school only, those with college degrees

A. are more likely to use cocaine. B. are much more likely to drink alcohol and much less likely to use tobacco. C. are more likely to smoke marijuana. D. report similar rates of use of most substances.

Which of the following heritability estimates indicates the strongest genetic influence?

A) Heritability estimate for attitudes toward racial integration is .06. B) Heritability estimate for religiosity is .22. C) Heritability estimate for IQ is .50. D) Heritability estimate for height is .90.