Answer:
Stimulus discrimination
Explanation:
Stimulus discrimination is a term that is used in both the concept of classical conditioning and ope-rant conditioning. It is the concept about to differentiate between two same stimuli. It is a concept in which a person or animal will learn to discriminate the difference between the conditioned and unconditioned stimuli.
Thus in the above statement, In Pavlov's classical conditioning, the dog discriminates between the conditioned stimulus (bell) and unconditioned stimulus buzzer.