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 a correlation betweentask performance and an optimal level of arousal,whereby performance will first improve as a person's arousal levelincreases but then reach a point at which further arousal (possiblyin the form ofstress)will result in a decrease in performance.

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Psychology term of the day

October 18th 2021

shape constancy

refers tothe tendency to perceive the shape of an object, despitevariations in the size of the retinal image.