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Using Figure 1.3 and PP1, at point A,
Yerkes-Dodson Law
A theory suggesting there is an optimal level of arousal for the best performance of a task: too little or too much arousal can decrease performance.
Physical Arousal
The physiological state of being alert and engaged, often including increased heart rate, blood pressure, and sensory alertness.
Yerkes-Dodson Law
A psychological principle that suggests there is an optimal level of arousal for performance, and that too little or too much arousal can negatively affect task performance.
Stimulus Motives
Motives that cause humans and other animals to increase stimulation when the level of arousal is too low (examples are curiosity and the motive to explore).
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