Which of the following is an advantage of vasectomies?
A. Vasectomies are always effective right after they are performed.
B. Vasectomies protect the man from contracting sexually transmitted infections (STIs).
C. Vasectomies are essentially 100 percent effective.
D. Vasectomies are temporary and easily reversed.
Answer: C
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In which of the following ways do gay men and lesbians appear to differ?
A. Research shows that fetal exposure to atypical hormones causes homosexuality only in women. B. Research shows that fetal exposure to atypical hormones causes homosexuality only in men. C. Research shows that the fraternal birth order effect is found in lesbians but not gay men. D. Research shows that women, over time, tend to be more sexually fluid than men.
A person who removes himself or herself from an interaction with a partner in a way that communicates cold disapproval, icy distance, and smugness is demonstrating _______.
a) criticism b) contempt c) defensiveness d) withdrawal
Which of the following is an advantage of Web-based surveys?
A. There is little chance of responders deliberately sabotaging the results. B. Large samples can be recruited for surveys. C. Respondents can be interviewed in a carefully controlled environment. D. There is no risk of repeat responders.
In the context of sexual behavior according to age, graphs of _____ always begin in the lower left-hand corner and move toward the upper right-hand corner.
A. causal inferences B. frequency C. correlation D. cumulative incidence