Abstract
In two experiments, we examined two related conditioning problems previously investigated by Red-head and Pearce (1995a) and Pearce, Aydin, and Redhead (1997). Experiment 1 involved an A+, B+, C+, AB+, AC+, BC+, ABC2 discrimination. The Rescorla-Wagner model predicts that response to AB, AC, and BC will be greater than that to A, B, and C at asymptote, whereas the Pearce model makes the opposite prediction. In Experiment 2, we investigated the responding to a novel ABC compound in groups trained with either A+, B+, C+ or AB+, AC+, BC+. The Rescorla-Wagner model predicts greater response to ABC in the group trained with A+, B+, C+ than in the group trained with AB+, AC+, BC+, whereas the Pearce model makes the opposite prediction. In contrast to the findings of Redhead and Pearce (1995a) and Pearce et al. (1997) in pigeon autoshaping, our findings in rabbit eyelid conditioning support the Rescorla-Wagner model.
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This research was supported in part by National Science Foundation Grant IBN-9728896 to A.R.W.
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Myers, K.M., Vogel, E.H., Shin, J. et al. A comparison of the Rescorla-Wagner and Pearce models in a negative patterning and a summation problem. Animal Learning & Behavior 29, 36–45 (2001). https://doi.org/10.3758/BF03192814
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DOI: https://doi.org/10.3758/BF03192814