When advertisers use well known, attractive people to sell their products, the attractive people are being used as a (n)

a. conditioned stimulus.

b. conditioned response.

c. unconditioned stimulus.

d. neutral stimulus.

When advertisers use well known, attractive people to sell their products, the attractive people are being used as C. unconditioned stimulus.

Unconditioned stimulus is a type of stimulus that naturally elicits a response in an organism.