20. In the context of the reinforcement theory, reinforcers are ________.
(A)punishments or rewards that are given out for negative or positive employee behavior, respectively
(B) the supervisors or managers who have the responsibility of monitoring and reinforcing desired employee behavior
(C)the specific, unambiguous goals that have been set for employees as a standard for measuring their performance
(D)those consequences that immediately follow a behavior and increase the probability that the behavior will be repeated