Abstract
Thirty-two food-deprived albino rats received 30 preshift and 48 postshift trials in a runway apparatus. The design of the experiment was a 2 by 2 factorial manipulation of preshift and postshift delay of reinforcement. The results indicated that increases in reward delay resulted in depression effects, while decreases in reward delay produced no contrast (elation) effects.
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Supported by Research Grant NSF-GB30510 from the National Science Foundation.
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McHose, J.H., Tauber, L. Changes in delay of reinforcement in simple instrumental conditioning. Psychon Sci 27, 291–292 (1972). https://doi.org/10.3758/BF03328967
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DOI: https://doi.org/10.3758/BF03328967