Hamilton's breakthrough in explaining altruism from a biological perspective
a. rested on his taking into account the viewpoint of the genotype rather than that of the
organism.
b. involved the argument that natural selection favors personal fitness.
c. is based on the idea that altruistic acts are just as often aimed at friends and acquaintances
as they are at relatives.
d. rests on the principle of reciprocation.
e. is based on the argument that altruists will have greater reproductive success.
a. rested on his taking into account the viewpoint of the genotype rather than that of
the organism.
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Imagine that you are attending a lecture on gender comparisons in college students' reading comprehension. The speaker says, "The effect size for this kind of reading-comprehension test was 0.15.". You would conclude that
a. this gender difference is larger than the gender difference in height. b. a box-score approach would have provided more useful information. c. the probability of finding a difference this large is about 15%. d. the gender difference is not large enough to have an influence on people's career choices.
Distributions contain low-frequency, extreme low scores without low-frequency extreme high scores
a. Negatively skewed b. Positively skewed c. Bimodal d. Normal
Which of the following substances are released primarily at night in humans?
a. dopamine and melatonin b. norepinephrine and growth hormone c. melatonin and growth hormone d. acetylcholine and melatonin
Data from research studies on gender differences in human sexuality reflect all of the following themes EXCEPT that
A. men show more sexual desire and arousal than women. B. men emphasize committed relationships more than women. C. men's self-concept is characterized in part by power, aggression, and independence. D. women's sexual beliefs are more influenced by cultural, social, and situational factors.