According to the text, which theory of sleep does the best job of explaining why there are such large differences in the amount of time that the members of various mammalian species spend sleeping?
A) recuperative theory
B) Freudian theory
C) adaptation theory
D) activation-synthesis theory
E) sandman theory
Answer: C
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Kyron had not eaten all day and was very hungry. His desire to eat to reduce his feelings of hunger might be explained by __________ theory.
A. incentive B. homeostatic C. instinct D. drive reduction
What is Freud's term for the part of the personality that has a realistic plan for obtaining gratification of an individual's desires?
A. Id B. Ego C. Superego D. Preconscious
How do people react when a boy is a "sissy" or a girl is a "tomboy"?
a. Cross-sex activity is strongly approved for boys and girls. b. Cross-sex activity is strongly condemned for boys and girls. c. Disapproval is worse for boys who are sissies. d. Disapproval is worse for girls who are tomboys.
Many people believe that the herb called St. John's wort can be used to treat depression. Researchers studying the effectiveness of this treatment have found:
A) that St. John's wort is not an effective treatment for depression. B) that St. John's wort is a very effective treatment for depression. C) that St. John's wort is effective, but not as effective as SSRIs. D) mixed results, with some studies finding an effect while others do not.