According to the Rescorla-Wagner model, blocking occurs because:
A) both conditioned stimuli perfectly predict the unconditioned stimulus.
B) neither CS perfectly predicts the unconditioned stimulus.
C) the CS that is trained in the first phase does not provide any new or predictive information.
D) the CS that is added in the second phase does not provide any new or predictive information.

Question

Quizplus · Accepted Answer

Blocking occurs because the conditioned stimulus (CS) added in the second phase of training does not provide any new or predictive information about the occurrence of the unconditioned stimulus (US), since the US is already predicted by the CS introduced in the first phase.

According to the Rescorla-Wagner Model, Blocking Occurs Because