According to the Inverted-U (Upside Down-U) Curve and Depending on the Person's

Multiple Choice

According to the inverted-U (upside down-U) curve and depending on the person's current level of arousal,

A) either increasing or decreasing arousal can improve performance on a task.
B) only decreasing arousal can improve performance on a task.
C) only increasing arousal can improve performance on a task.
D) only by keeping arousal constant will performance change.