The Yerkes-Dodson law states that successful performance on a difficult and complex task necessitates low arousal.
According to the Yerkes-Dodson law, there is an empirical link between stress and performance, and an optimal level of stress corresponds to an optimal level of performance. This relationship is commonly depicted by practitioners as an inverted U-shaped curve. Arousal can help you stay alert, focused, and attentive, which can lead to better test performance. Excessive arousal, on the other hand, can cause test anxiety and leave you nervous and unable to concentrate. When arousal levels are extremely high or extremely low, performance suffers.
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