Question

Darrin is a good piano player. when he is alone, his arousal is low and he often gets distracted and makes mistakes. when he is in a recital with strangers, he sometimes gets too nervous and aroused and also makes mistakes. his best performances are typically at home when family and friends are nearby, and his arousal level is moderate. the variations in darrin's performance can be best explained by the

Answer 1

I believe the answer is: Yerkes-Dodson law
Yerkes-Dodson law states the empirical relationship between performance and mental arousal.
People who gets moderate rate of mental arousal from doing a certain things would more likely to increase their focus in doing that things and improve their overall performances