Multiple choice

After pairing the CS and US in a series of conditioning trials, the organism learns to respond to the CS alone. This response is called

  1. unconditioned stimulus

  2. conditioned stimulus

  3. unconditioned response

  4. conditioned response

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

After repeated pairing of CS and US, the organism begins responding to the conditioned stimulus (CS) alone. This learned response to the CS is called the conditioned response (CR). The unconditioned stimulus (US) naturally triggers the unconditioned response (UR) without learning.