By pairing the ringing of a bell with the presentation of meat,Pavlov trained dogs to salivate to the sound of a bell even when no meat was presented.In this experiment,the presentation of the meat was the:
A)unconditioned stimulus.
B)unconditioned response.
C)conditioned stimulus.
D)conditioned response.

Question

Quizplus · Accepted Answer

In classical conditioning, the unconditioned stimulus (UCS) is the natural stimulus that triggers a response without any learning. In this experiment, the meat naturally triggered a reflexive response of salivation in the dogs, without any prior learning or association with other stimuli. Therefore, the meat is the UCS.

By Pairing the Ringing of a Bell with the Presentation