R-WSample Quiz

R-WSample Quiz - Psychology 3031/6016 Sample Quiz 1 Baum,...

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Psychology 3031/6016 Sample Quiz 1 Baum, Contingency, Rescorla-Wagner Model In the first three items show all your work carefully---do NOT simply write down a bunch of numbers and expect that to demonstrate your understanding. 1. The following table shows an experimental arrangement with a tone CS and a shock UCS with conditioned suppression serving as the CR. The values are the total frequencies of the events in sequential time periods as in the Staddon data presented in the handout in class. Are the CS and UCS independent events? Determine the P (UCS| CS) versus P (UCS|~CS). What is the s coefficient for these data? Given that value and the suppression plot of Gibbon, Berryman, & Thompson (1974) (handout in class), estimate the suppression ratio with these contingencies. SHOCK ~SHOCK TONE ~TONE 2. Consider the following experiment: In Phase I a tone, T, (K = 0.4) and a light, L, (K = 0.4) are paired separately with a shock ( λ = 90). The pairing trials are randomly intermixed until the asymptotic associative strength is nearly reached for each CS. a) Show the course of conditioning according to the Rescorla-Wagner model for just
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R-WSample Quiz - Psychology 3031/6016 Sample Quiz 1 Baum,...

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