In sex research, laboratory observation is limited because
A) people are reluctant to share their sexual histories before participating.
B) it is always difficult to get people to participate in sex research.
C) sexual activities performed in a lab may differ from those in private.
D) many people cannot perform the activities requested by researchers.
C
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Observed changes in drinking patterns suggest that in the future
a. the ratio of male to female problem drinkers will increase. b. the ratio of male to female problem drinkers will decrease. c. the proportion of blacks that are problem drinkers will increase. d. the proportion of blacks that are problem drinkers will decrease.
Suppose that you are talking with a 4-year-old girl. What information is this girl likely to know about gender?
a. She probably looks longer at a picture of a man doing a feminine task, compared to all other combinations of the person's gender and the task that the person is doing. b. She probably cannot provide accurate gender labels for photos of people. c. She can probably explain the differences between females and males. d. If you show her a coloring book, she probably will not select a picture that is stereotypically associated with females.