If a male rat is castrated shortly after birth or given a chemical that blocks androgen's effects, as an adult it will ______.
A. have normal male sex behaviors
B. be more likely to mount female rats
C. be more likely to mount other male rats
D. be likely to accept male rats mounting it
Answer: D
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Heritabilities are, on average, higher for behavioral disorders than for ______.
A. medical disorders B. mental characteristics C. psychological disorders D. behavioral traits
Which example best describes the zone of proximal development?
a) trying to teach a 1-year-old how to add b) dressing a 4-year-old child who keeps saying, "I'll do it!" c) attempting to teach a 5-year-old trigonometry d) showing a toddler a book that has many colors, some of which the toddler already knows
Which of the following is NOT a basic part of a neuron?
A. dendrite(s) B. synapse C. axon D. cell body
What is the most likely reason for the involvement of African American grandfathers in the lives of their grandchildren?
A. African Americans have larger families and more grandchildren. B. African Americans have a higher percentage of multigenerational families than Caucasian families, and grandparents play a role in childrearing. C. African American families lack a sufficient number of male role models because a high percentage are single parent, multigenerational families. D. African American males suffer a higher level of unemployment, and therefore have more time for family matters and childrearing.