Abstract
This experiment was designed to test the generality of the between- and within-subjects partial reinforcement effect (PRE) with sucrose solutions as the reinforcer and female hooded rats as subjects in a free-operant leverpress situation. Twenty subjects were given 10 sessions of acquisition training with (1) CRF only, (2) PRF only, or (3) MULT CRF-PRF. Comparisons of responding during 3 days of extinction between subjects receiving only one schedule resulted in a conventional PRE with significant differences between the two groups on Day 1 of extinction, whereas the within-subjects comparison yielded a reversed PRE with significant differences between responses to the signal associated with CRF and PRF on Day 1 and Day 2 of extinction.
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Adams, J.F., Nemeth, R.V. & Pavlik, W.B. Between-and within-subjects PRE with sucrose incentives. Bull. Psychon. Soc. 20, 261–262 (1982). https://doi.org/10.3758/BF03334834
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DOI: https://doi.org/10.3758/BF03334834