Researchers have found that optimistic attitudes predict:

a. decreased life expectancy.
b. decreased immune functioning.
c. increased immune functioning.
d. decreased life expectancy and decreased immune functioning

Answer: C

Psychology

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Saturated or pure hues are produced by which type of wavelengths?

a. wide band b. narrow band c. combination d. high amplitude

Psychology

If some IQ test is "biased" against group X, what would we predict about members of group X whose test score is 100?

a. Their performance in school will fluctuate more than other people with a score of 100. b. They will do worse in school than other people with a score of 100. c. They will do about the same in school as other people with a score of 100. d. They will do better in school than other people with a score of 100.

Psychology