Which of the following physical changes occur for males and females alike during puberty?
a. Skin becomes rougher.
b. Proportion of muscle to fat increases.
c. Shoulders and chest become wider.
d. Hips widen and abdominal fat levels increase.
Answer: a
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A. 20% B. 40% C. 60% D. 90%
On the surface, the problem of attributing altruistic behavior to evolution by natural
selection is that a. natural selection has not played an important role in human evolution. b. from an evolutionary standpoint, altruistic behavior seems unlikely to be favored by natural selection. c. altruistic behavior is too subtle and too complicated a trait to be caused by evolutionary variables. d. altruistic behavior always increases the personal fitness of the altruist. e. altrustic behavior reduces the fitness of altruist and recipient alike.
Describe uses and abuses of intelligence tests
What will be an ideal response?
In the one factor repeated measures design, the number of treatment conditions is symbolized by _____
a. k c. N b. O d. df