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White, K. Geoffrey; Brown, Glenn S. – Journal of the Experimental Analysis of Behavior, 2011
Pigeons performed a delayed matching-to-sample task in which large or small reinforcers for correct remembering were signaled during the retention interval. Accuracy was low when small reinforcers were signaled, and high when large reinforcers were signaled (the signaled magnitude effect). When the reinforcer-size cue was switched from small to…
Descriptors: Animals, Reinforcement, Accuracy, Memory