a CR was acquired by pairing a medium-intensity tone (CSMT) with a medium-intensity electric shock (USM). Later the tone was used in a higher-order conditioning procedure to establish a CR to a medium-intensity light (CSML). According to the S-R models of basic acquisition (S-R, S-S and S-R, S-R), extinguishing the CR to the tone should
a. make the electric shock ineffective in future conditioning.
b. also eliminate the CR to the light.
c. leave the CR to the light unaffected.
d. convert the light into an inhibitory CS.
c. leave the CR to the light unaffected.
Answer feedback: According to the models, the association between the light and the CR should not be affected by the extinction of the CR to the tone, as the tone’s only role in these models is to facilitate the association between the light and the CR. Once the association is acquired, the tone essentially becomes irrelevant to it.
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