Which Aspect of Parent-Adolescent Communication About Sex Is Likely to Have

Which aspect of parent-adolescent communication about sex is likely to have a meaningful effect on the adolescent's behavior?

A) parent-child communication specifically focused on the topic of contraception and risky sex
B) parent-child discussion about whether the adolescent should have sex at all
C) parent-child communication that involves an authoritarian approach with specific, rigid rules with respect to sexual activity
D) parent-child communication that directly cautions their teenager against sex but avoids implying that sex is a moral or religious issue