A Consequence Is Defined by Skinner as a Reinforcer or a Punisher

A consequence is defined by Skinner as a reinforcer or a punisher depending on whether it

A) increases or decreases the frequency of the behaviour that it follows.
B) is designed to promote desirable behaviour or suppress undesirable behaviour.
C) is pleasurable or uncomfortable for the subject receiving the consequence.
D) occurs antecedent to or as a consequence of the behaviour.