Abstract
A response-shift effect was exhibited by monkeys trained on a modified discrimination learning set, under conditions in which neither object to be discriminated had been previously displaced. This example of the effect therefore could not depend on any tendency of the monkeys to investigate non-displaced objects. It is suggested that the present effect might have its origin in a postulated tendency of monkeys to retain irrelevant but rewarded first trial Hypotheses compared to a tendency to replace irrelevant, nonrewarded first trial Hypotheses.
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This research was supported by NIH Grant FR-0167.
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Bowman, R.E., Takemura, KI. The response shift phenomenon in discrimination learning set. Psychon Sci 4, 31–32 (1966). https://doi.org/10.3758/BF03342159
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DOI: https://doi.org/10.3758/BF03342159