Lynn, a three-year-old child, is counting her blocks aloud, "One, two, three, five, four, six. Six blocks!" Her mother asks her to try again, and Lynn counts aloud, "One, two, four, three, five, six

Although it is certainly an unusual source of data for researchers, some have looked at Playboy centerfolds and Miss America Beauty pageant contestants. How is this research relevant to eating disorders?

a. The emphasis on thinness is a relatively recent phenomenon in the last 20 years. b. These women's facial features indicated they had dieted beyond the point of medical safety. c. Between 1959 and 1988, their ratio of weight to height for these groups declined dramatically. d. In their interviews, almost all of these women gave subtle clues suggesting they were in deep conflict concerning weight control.

Which of the following statements is correct about the distinction between the words sex and gender?

a. Gender refers to biologically based categories, which are either male or female. b. Sex refers only to sexual activity, and therefore the term sex chromosomes is not an appropriate phrase. c. Gender refers to social categories and psychological characteristics. d. The terms sex and gender are so distinctive that they are rarely confused with each other in the professional literature.