Which of the Following Is the Best Definition of Reinforcer

Multiple Choice

Which of the following is the best definition of reinforcer?

A) a response that operates on the environment to produce certain consequences
B) a stimulus or event that increases the probability that the response it follows will be repeated
C) behavior acquired through coincidental association of a response and a reinforcement
D) a cue that signals that reinforcement is available if the subject makes a particular response
E) the introduction of an aversive stimulus after a response occurs