Abstract
The effect of partial reinforcement on extinction was investigated in avoidance conditioning in which a nonreinforced trial was defined by delayed CS termination as well as shock ommission. Partial reinforcement significantly increased resistance to extinction. A group given conventional extinction with shock ommission but immediate response contingent CS termination showed little decrement in responding.
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1. This study was supported in part by Grant No. MH-18104-01 from NIMH to the first author. The authors would like to thank. Richmond Johnson for assistance in running some of the Ss.
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Marsh, G., Paulson, N. The effect of partial reinforcement on extinction in avoidance conditioning. Psychon Sci 12, 39–40 (1968). https://doi.org/10.3758/BF03331178
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DOI: https://doi.org/10.3758/BF03331178