Darrin is a good pianist. however, when he is alone, he becomes lethargic and is not motivated to perform well. at recitals with strangers, darrin gets very overly aroused and often makes mistakes. his best performance is typically when his family and friends are nearby. in such situations, darrin isn't nervous and is only moderately aroused. this scenario best exemplifies the principle of

The scenario best exemplifies the principle of yerkes dodson law. This is a principle of which is focused on the performance and arousal relationships of an individual. It gives the idea of when the performance that is being preformed is increased then it would cause the arousal to be on point while if it goes to another way around, in which arousal increase, it will cause the performance that is being acted upon to decrease. It could be seen in the scenario above of which Darrin gets aroused, he would make mistakes in which it indicates that his performance decreases.

It is state and federali really hope this  

That is true , instead try to have a sit down talk with them