Abstract
A decrease in amount of reinforcement resulted in negative incentive contrast effects. This finding agrees with many studies involving animal Ss.
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CRESPI, L. P. Quantitative variation in incentive and performance in the white rat. American Journal of Psychology, 1942, 55, 467–517.
DiLOLLO, V. D., & BEEZ, V. Negative contrast effect as a function of magnitude of reward decrement. Psychonomic Science, 1966, 5, 99–100.
WEINSTEIN, L. Negative contrast effects with saccharine versus sucrose and continuous versus partial reinforcement. Paper presented at the meeting of the Eastern Psychological Association, Philadelphia, April 1969.
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We thank Deborah Watkins for her help in planning the experiment.
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Weinstein, L., Colucci, V.M. Negative incentive contrast effects with verbal reinforcement. Psychon Sci 18, 318 (1970). https://doi.org/10.3758/BF03332374
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DOI: https://doi.org/10.3758/BF03332374