AP PSYCHOLOGY

Detailed explanation-1: -Some studies showed that the stimulant effects of caffeine did differ between introverts and extroverts. Extroverts, for instance, noticed improved performance after consuming caffeine, but introverts become over-aroused, which impaired their performance.

Detailed explanation-2: -Abstract. In previous studies of psychomotor performance, the stimulant effects of caffeine differed by personality characteristics. For example, caffeine improved the task performance of extraverts but overaroused introverts and thus impaired their performance.

Detailed explanation-3: -Also, our findings report that introverts are more sensitive to perceive caffeine than extraverts.

Detailed explanation-4: -“This suggests that performance will be compromised for introverts if they are exposed to stimulating situations, or if they ingest a stimulant (such as caffeine), which pushes them even further away from the optimal level, ” Little explained to The Science of Us.