Abstract
An increase in the amount of verbal reinforcement resulted in gradual, as opposed to sudden, increases in behavior and no evidence of positive incentive contrast effects. These results with human Ss agree with the data obtained from animal Ss and suggest that a shift in incentive size in humans affects learning as opposed to some more temporary mechanism.
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We thank Paul Lee for running Ss.
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Weinstein, L., Colucci, V.M. Increase in incentive amount with verbal reinforcement. Psychon Sci 21, 83–84 (1970). https://doi.org/10.3758/BF03335776
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DOI: https://doi.org/10.3758/BF03335776