Abstract
Forty Ss received 160 presentations of each of four word-pairs in a variation of the noncontingent binary-choice probability learning paradigm. Successive presentations of any given word-pair were separated by the interpolated presentations of other word-pairs. For each pair, one of the words was designated as correct on a randomly-chosen 70% of the presentations while the other word was correct on the remaining 30% of the presentations. Inspection of asymptotic response probabilities, which approximated the reinforcement probabilities, and first-order conditional probabilities indicated that this method of stimulus presentation may provide a less ambiguous test of the assumptions of certain mathematical models than is afforded by the standard probability learning paradigm.
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This study was supported by Public Health Service Research Grant MH 15741-01 from the National Institute of Mental Health.
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Levin, I.P., Dooley, J.F. Response probabilities in a verbal discrimination task with probabilistic reinforcement. Psychon Sci 14, 167–168 (1969). https://doi.org/10.3758/BF03332771
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DOI: https://doi.org/10.3758/BF03332771