The interplay of past experience and present hormonal influences can be seen by which of the following findings regarding castrated adult men?
A) Men who were more sexually experienced before castration show a more graduate decline in sexual activity after castration.
B) Men who are surgically castrated tend to lose their capacity to become erect and to ejaculate.
C) Men who desire surgical castration typically report better satisfaction with their castration than those on whom castration is forced.
D) Men who have been castrated are likely to be child molesters.
A
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Which of the following statements about the SCN (suprachiasmatic nucleus) is FALSE?
a. It is sensitive to changes in the amount of light striking the retina. b. It stimulates the pineal gland to release melatonin. c. It is located in the hypothalamus. d. It signals the amygdala to initiate sleep. e. It is involved in regulating the sleep-wake cycle.
When we are not sure that the obtained result of an experimental study is really attributable to our manipulation of the independent variable, we are questioning the __________ of the study
a. generalizability b. external validity c. internal validity d. correlational nature
An elementary school teacher wants to know how receptive his students are to new ideas. He decides to present new ideas his students (randomly determined) during arithmetic class or during social studies class. Furthermore, he decides to present these new ideas either just before or just after recess. Which of the following results represents an interaction between his independent variables?
a. The students always like the new ideas, but only in social studies, regardless of when recess occurs. b. The students never like the new ideas in either class, regardless of when recess occurs. c. The students only like the new ideas after recess. They don't like the new ideas before recess, and the type of class makes no difference. d. The students like the new ideas in social studies after recess but they like the new ideas in arithmetic before recess.
Free samples often encourage people to buy more of an item. This works because of which of the following?
A. foot-in-the-door B. lowball technique C. reciprocity norm D. door-in-the-face