A subject with an alpha=0.45 and has an action-value for symbol A = 0.75 and symbol...
A subject with an alpha=0.45 and has an action-value for symbol A = 0.75 and symbol B = 0.65. The subject selects B and receives a reward of 1.
a. Calculate the delta for symbol B
b. Calculate the new action-value for symbol B (use the Rescorla-Wagner equation)
c. After this trial, which symbol is the subject more likely to select.
Homework Answers
Solution: Given that
alpha = 0.45
action-value for symbol A = 0.75
action-value for symbol B = 0.65
The formula for the delta for symbol B is = action value for symbol A + action value of aymbol B/ alpha
= 0.75 + 0.65/0.45
= 1.40/0.45
= 2.3
After this trial symbol B is more likely to select.
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