Classical conditioning is least likely to occur if the conditioned stimulus
A) is simultaneous with the unconditioned stimulus.
B) follows the unconditioned stimulus by one second.
C) precedes the unconditioned stimulus by one-half second.
D) precedes the unconditioned stimulus by one second.

Question

Quizplus · Accepted Answer

Classical conditioning is most effective when the conditioned stimulus (CS) precedes the unconditioned stimulus (US) by a short period of time, allowing the organism to anticipate the US. If the CS follows the US, as in option B, the conditioning process is less likely to occur because the predictive relationship between the CS and the US is not established.

Classical Conditioning Is Least Likely to Occur If the Conditioned