Magnitude of negative reinforcement and resistance to extinction |
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Authors: | Roger L Mellgren Jack R Nation Dan M Wrather |
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Affiliation: | University of Oklahoma USA |
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Abstract: | In the first experiment rats experienced large or small magnitude of negative reinforcement (shock reduction) in a straight alley. Half of the subjects in each magnitude group received continuous reinforcement, and the other half received a 50% partial reinforcement schedule (nonreinforcement consisting of no shock reduction in the goal box). In extinction the groups were ordered: large partial > small-partial > small-continuous > large-continuous. In the second experiment rats received large, small and nonreinforcement in various sequences using the runway-negative reinforcement procedure and were ordered: SNL>LNL>SNL>LNS in resistance to extinction (letters represent the magnitudes in the sequence experienced in acquisition). The results of these experiments indicate a commality between positive and negative reinforcement with respect to behavioral phenomena and theoretical accounts of those phenomena. |
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Keywords: | Reprint requests should be addressed to Roger L. Mellgren Department of Psychology University of Oklahoma Norman OK 73069. |
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