What is the most common method of birth control among American adolescents?

The assumption underlying projective personality tests is that

a. observation of a subject's behavior will yield clues to his or her personality. b. the subject will project his or her personality into the ambiguous situation, revealing clues to his or her personality. c. "normal" people will score lower on these tests than people who have mental disorders. d. they provide a profile of the person's personality as it will develop in the future. e. they provide a useful index of the stage of personality development.

According to the text, about what percent of cohabiting couples have children living with them?

a. about 10% b. about 25% c. about 30% d. about 43%