Question

The first hour bell rings stimulus or response?

Answer 1

The ringing of the bell was Introduced as a neutral

stimulus by Pavlov. A stimulus which leads to an

automatic response is an unconditioned stimulus.

The food was the unconditioned trigger in Pavlov's

experment. An automatic response to a stimulus is an unconditioned response.

Answer 2

Stimulus, because the ringing of the bell is something that might provoke a response.