Abstract
Three rats were trained to barpress for food on a multiple schedule. One component of the multiple schedule was a FI 2-min schedule. The other component of the multiple schedule was a concurrent FI 2-min FRX schedule. X was constant for each rat, but different between rats. Free shocks were dispensed on a VT 30-sec schedule during the concurrent component. The shocks were “felt” by the rats, but had no effect on behavioral contrast. The data favor emotionality theories over preference theories of behavioral contrast.
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This research was partially supported by Grant PS 6977 from the Texas Christian University Research Foundation to Stephen Winokur. We thank California State University, Hayward, for the loan of equipment and for technical services.
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Gannon, G., Nelson, T., Roe, J.E. et al. Performance and emotionality in the development of behavioral contrast. Bull. Psychon. Soc. 3, 275–277 (1974). https://doi.org/10.3758/BF03333467
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DOI: https://doi.org/10.3758/BF03333467