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Contingency Model: Robert Rescorla

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In his contingency model of classical conditioning, Robert Rescorla discovered that in order for conditioning to occur, the conditioned stimulus must do which of the following?

A

Replace the unconditioned stimulus.

B

Occur at the same time as the unconditioned stimulus.

C

Occur a few seconds before the unconditioned stimulus.

D

Have a physical resemblance to the unconditioned stimulus.

E

Provide predictive information about the unconditioned stimulus.