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Yerkes-Dodson Law

The Yerkes-Dodson law, developed by researchers Robert Yerkes and John Dodson, describes the relationship between arousal and performance. It generally follows an inverted U-shaped curve, where moderate arousal leads to optimal performance, while very low levels (apathy) or very high levels (anxiety) impair it. However, the law also specifies that the ideal level of arousal depends on task complexity. Simple tasks are performed best with higher arousal, whereas complex tasks require lower levels of arousal for peak performance.

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Updated 2026-01-15

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