Lester Has High Test Anxiety, Which Tends to Affect His

Lester has high test anxiety, which tends to affect his test performance even though he studies a lot. According to the Yerkes-Dodson law, which of the following activities will help Lester improve his performance?

A) Study harder, to utilize productive pessimism
B) Use relaxation exercises before each test, to reduce arousal
C) Study less, to stop thinking about the test
D) Get a tutor, to maximize peer pressure