According to the yerkes-dodson law, test performance is typically when physiological arousal is
a. worst; moderate
b. best; moderate
c. best; very low
d. best; very high

Yerkes-Dodson law says that moderated arousal levels can improve performance up to a certain point. For example if you are a bit anxious for a test, that may actually make you perform better. If the arousal becomes to excessive, the performance reduces.

b. best; moderate

Ithink the answer is b. shakeri hope im not wrong : )