A stimulus that elicits a response without prior learning or conditioning is called a(n):
A)unconditioned stimulus
B)discriminative stimulus
C)conditioned stimulus
D)establishing stimulus

Question

Quizplus · Accepted Answer

An unconditioned stimulus (US) is a stimulus that naturally and automatically triggers a response without any prior learning or conditioning. This response is called an unconditioned response (UR). A classic example is the smell of food (US) causing salivation (UR) in dogs.

A Stimulus That Elicits a Response Without Prior Learning or Conditioning