Based on the Rescorla-Wagner Model, If the US Intensity Is

question 21

Multiple Choice

Based on the Rescorla-Wagner model, if the US intensity is increased in the second phase of conditioning, when L is added to a previously conditioned T in a blocking experiment, then the

• A) salience of the T will be so much greater than that of the newly added L that the T will continue to accrue all of associative strength, preventing blocking.
• B) salience of the new L will be so much greater (due to the surprising change of the US) that CS_L will rob the T of its acquired associative strength on every subsequent conditioning trial until L has gained all available associative strength
• C) surprising change in the US will double salience of L, causing it to accrue all of the additional associative strength
• D) surprising change in the US increases the available associative strength, and thus both L and T will gain additional associative strength and prevent blocking

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