In a study of the 30 facets of the "Big Five," researchers found that genetic effects accounted for most of the differences between people's scores on ______ of the 30 facets

According to data from Monitoring the Future, an effective public policy would be to increase the perception of the risk of marijuana use because increased perception of risk causes a decrease in marijuana use

Indicate whether the statement is true or false

Which of the following is NOT an explanation for why the U.S. has a higher adolescent pregnancy rate than many European nations?

A) American teens are more sexually active than European teens. B) American teens are less likely than European teens to use contraceptives. C) Abstinence-only sex education is more common in the U.S. than in European nations. D) American society is more tolerant than European nations of adolescent childbearing.