Abstract
Goldfish were trained in series of 40-trial or 60-trial red-green discrimination problems, in half of which the rewarded color was the same as that of the immediately preceding problem, while in the rest the rewarded color was the unrewarded color of the preceding problem. Reversal was more difficult than nonreversal, and there was no change in the difficulty of either class of problem as training continued. The results are considered in terms of an interference interpretation of progressive improvement in habit reversal.
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This research was supported by Grant MH-02857 from the U. S. Public Health Service and Contract Nonr 2829 (01) with the Office of Naval Research.
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Behrend, E.R., Jennings, L. & Bitterman, M.E. Reversal and nonreversal learning in the goldfish. Psychon Sci 13, 179–180 (1968). https://doi.org/10.3758/BF03342469
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DOI: https://doi.org/10.3758/BF03342469