After the car accident, Shayne was unable to remember what happened from the time of the crash until the following morning. Shayne appears to have experienced __________.

Operant conditioning is a type of learning in which the probability of a response is changed by a change in its consequences

a. true b. false

The inverted U-shaped function described by Yerkes-Dodson represents

a. the dramatic decrease in arousal intensity for which researchers cannot account. b. the optimal level of arousal with levels below the optimal level representing less effective behavior. c. a correspondence between number of tasks attempted and effectiveness. d. a relationship between complexity of a task and level of arousal.