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Direct linkZentall, Thomas R.; Singer, Rebecca A. – Journal of the Experimental Analysis of Behavior, 2007
When behavior suggests that the value of a reinforcer depends inversely on the value of the events that precede or follow it, the behavior has been described as a "contrast" effect. Three major forms of contrast have been studied: "incentive contrast," in which a downward (or upward) shift in the magnitude of reinforcement produces a relatively…
Descriptors: Probability, Reinforcement, Behavior Modification, Animals
