Which of the following is NOT a main hypothesis for sleep discussed in the text?
A. restorative function
B. required unconscious function
C. adaptive function
D. cleansing-of-toxins function
Answer: B
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Which of the following does a correlation coefficient not tell us?
A. If the difference between two means reflects a real difference or can be attributed to chance fluctuation. B. The strength of a relationship between two measures. C. The direction of a relationship between two measures. D. How well a score on one measure can be predicted by a score on another.
As a sleep researcher is monitoring you, he notices that your brain waves are showing almost all delta waves. He awakens you at this point, and you awaken in a complete state of confusion. You are most likely in which stage of sleep?
a. Stage 4 of NREM b. REM sleep c. Stage 2 of NREM d. Stage 1 of NREM
What are attitudes directed at, something you explicitly or implicitly evaluate?
A. informational belief B. an attitude object C. evaluative belief D. uni-valenced decisions
A university campus is a _________ situation, whereas an army boot camp is a(n) _________ situation
a. weak; strong b. strong; weak c. poorly defined; clearly defined d. constrained; unconstrained