As a result of higher cortical arousal levels, introverts:
a. exhibit greater sensitivity to low-level stimuli than extraverts.
b. have higher pain thresholds than extraverts.
c. need, and actively seek, excitement and stimulation.
d. react less strongly than extraverts to sensory stimulation.
ANS: A
FEEDBACK: Introverts shy away from excitement and stimulation because their cortical arousal levels are already high. As a result, introverts react more strongly than extraverts to sensory stimulation. Studies have shown that introverts exhibit greater sensitivity to low-level stimuli and have lower pain thresholds than extraverts.
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