Which of the following statements is true about adolescent sexual attitudes and behavior?
A) Girls tend to have their first intercourse earlier than boys.
B) During the past decade, adolescents have swung slightly back to more conservative sexual beliefs.
C) Compared with a generation ago, fewer people approve of sexual intercourse before marriage.
D) Rates of extramarital sex among U.S. young people have recently risen.
B
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What statement best describes a trend related to the practice of "hooking up" on college campuses?
a. It is estimated that between 30 and40% of college students have engaged in at least one hook up. b. There are no gender differences in rates and perceptions of "hooking up.". c. Both men and women report engaging in this behavior for purely physical reasons, although the research does not clearly indicate this to be true. d. Heterosexual students are more likely to engage in "hooking up" than homosexual students.
Attention span of older children and teenagers improves because of increased myelinization of the brain's
a. thalamus. b. cerebellum. c. cerebral cortex. d. reticular formation.
The body weights of adopted children __________
A) correlate more strongly with those of their biological than of their adoptive parents B) correlate more strongly with those of their adoptive than of their biological parents C) show little or no correlation to either their biological or adoptive parents D) correlate strongly with their adoptive siblings
The Kim et al. Study(Oh Rats!) was considered "double blind" because
(a) the rats could not see the experimenter (b) the experimenter did not make up a hypothesis (c) neither the rats nor the experimenter knew which measure was to be taken (d) neither the rats nor the experimenter knew the rat's experimental condition