Sleep deprivation has been shown to:

a. increase attentiveness to highly motivating tasks.
b. reduce hypertension.
c. diminish immunity to disease.
d. do all the above.

Ans: c. diminish immunity to disease.

Psychology

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What percentage of child abuse cases is estimated to be unreported?

a. 60-70% b. 50-60% c. 30-40% d. 10%

Psychology

Jeff was standing in the bus less than four feet from other people. This example illustrates that

a. there are no exceptions to privacy zone guidelines. b. Hall's distance zones do not apply in American culture. c. Jeff may be uncomfortable because of the violation of his personal space. d. public distance zones are usually less than four feet.

Psychology