If You Present A+ (US trials) and AB (No US

question 59

Multiple Choice

If you present A+ (US trials) and AB (no US trials) , the Rescorla-Wagner model predicts that

• A) A will block
• B) B will acquire a negative associative strength.
• C) A will extinguish more on these AB trials than if it had been presented alone on no-US trials.
• D) A will become half as excitatory and B will become half as inhibitory as they would be if each stimulus were presented separately on shock versus no-shock trials.

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