In the 20th century, investigations of sexual disorders and the physiology of sexual response were conducted by
A. Anton van Leeuwenhoek.
B. Masters and Johnson.
C. Richard von Krafft-Ebing and Gregor Mendel.
D. Oskar Hertwig.
Answer: B
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Jim and Mary have sexual intercourse once a week and they are both comfortable with how often they have sex. What can you say about the frequency of sexual intercourse for this couple?
a. it should be at least twice a day b. it should be at least twice a week c. it should be at least twice a month d. it is ideal for them
According to research, most pornography relies on a limited number of basic themes, including depictions of women as always wanting and enjoying all sex acts demanded by men. Another common theme is that ____________________
a. refusing to engage in sex is a turn-on for many men b. any woman can be easily turned on with a little force c. men really like to be dominated and taken care of d. women are innocent and hesitant to participate in unusual sex acts
Theorists suggest that women are not attracted to porn because
A. it emphasizes impersonal sex. B. it only portrays homosexual content. C. it focuses on romantic relationships. D. it downplays sexual variety.
Which of the following statements is true of parental investment?
A. It is rarely beneficial to infants raised in Western societies. B. It refers to the number of offspring that parents can produce each year. C. It damages an infant's chances of survival in contemporary societies. D. It refers to the behavior and resources invested in offspring to ensure their survival.