According to the concept of social facilitation, the presence of other people ________ physiological arousal, which improves performance on ________ tasks

A) increases; unmastered
B) increases; well-learned
C) decreases; unmastered
D) decreases; well-learned

Answer: B

Psychology

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Today, 45- to 54-year-olds are

A) the smallest sector of the U.S. population. B) better educated than any previous midlife cohort. C) not as healthy as midlifers were in the 1950s. D) not as financially secure as midlifers were in the 1980s.

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Events that happen at any time without warning and create considerable stress in a person's

life are called: a. contextual b. normative c. idiosyncratic d. dialectic

Psychology