Abstract
Different groups of rats, given larger or smaller reinforcers, were trained in a within-Ss partial reinforcement paradigm which previously had generated reversed partial reinforcement effects. Based upon previous between-Ss studies of factorial combinations of reinforcement schedule with reinforcer magnitude, it was predicted that increasing reinforcer magnitude in the within-Ss paradigm would attenuate or eliminate the reversed PRE. The results confirm the prediction. A significant reversed PRE occurred with the smaller reinforcer, and no schedules effect upon extinction performance occurred with the larger reinforcer.
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Pavlik, W.B., Collier, A.C. Reinforcer magnitude effects on within-subjccts reversed PRE. Bull. Psychon. Soc. 2, 233–234 (1973). https://doi.org/10.3758/BF03329257
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DOI: https://doi.org/10.3758/BF03329257