From the Following, Identify the Best Summary of the Law

Multiple Choice

From the following, identify the best summary of the law of effect.

A) If an individual has learned a response to a particular conditioned stimulus, he or she will tend to respond in the same way to a stimulus that is similar to the original conditioned stimulus.
B) If a response is followed by a pleasant consequence, it will tend to be repeated; if a response is followed by an unpleasant consequence, it will tend not to be repeated.
C) Repeated presentation of the same stimulus tends to elicit a progressively weaker response.
D) An unconditioned stimulus is one that automatically triggers a response when presented.