Suppose We Pair Just a Tone with a Shock for Many

Multiple Choice

Suppose we pair just a tone with a shock for many trials until the CR is reliably elicited by the tone,then we pair the tone plus a light with a shock.According to the Rescorla-Wagner model,at the end of the second phase of training:

A) the prediction error will be 100.
B) W_TONE will be close to 50.
C) W_LIGHT will be close to 0.
D) the Expected US will be close to 50.