The tendency for people to perform best on certain tasks when they are moderately aroused is known as the

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The Yerkes-Dodson law states that performance is best when arousal is at a moderate level, not too high or too low. This means that if arousal is too low, motivation may not be sufficient for good performance, whereas if arousal is too high, anxiety and stress may impede performance. The other options (spillover effect, guilty knowledge test, two-factor theory) do not relate specifically to the idea of optimal arousal levels for performance.

The Tendency for People to Perform Best on Certain Tasks