Slow-wave sleep seems to play a particularly important role in the recuperative effects of sleep. The following is major evidence for this conclusion:
A) People regain only a small portion of their lost sleep following a period of sleep deprivation, but they regain much of their lost stage 4.
B) Most long sleepers get a higher proportion of stage 3 and 4 sleep than short sleepers.
C) Volunteers who have reduced the amount that they sleep each night have often accomplished this without substantially reducing the amount of stages 3 and 4 sleep.
D) all of the above
E) both A and C
Answer: E
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Humane treatment of animals used for research is
a. relatively easy to achieve. b. a matter of good research procedure. c. limited to cats, dogs, and primates. d. required only in cases where surgery is involved. e. left to the individual researcher to determine.
Why can it be difficult to interpret a correlation between two variables?
a. Correlation does not establish a relationship. b. A correlation does not establish causation. c. Most correlations are illusory. d. Most correlations are negative.
When Harry, Ron, and Hermione are all exposed to an environment with a moderate level of stimulation,
A) they will all experience the same increase in intelligence. B) they will all obtain an average intelligence score. C) they will each respond differently to the same environment. D) Hermione will outperform Harry and Ron on intelligence measures.
Some ex-smokers "slip" and have one cigarette. Then, they equate this slip with a full relapse and resume smoking at their former rate. This phenomenon is called the
A) ?false relapse effect. B) ?curious overload effect. C) ?abstinence violation effect. D) ?smoking Hawthorne effect.