Abstract
Nineteen Ss each estimated the probability that each of a series of conceptual discriminations would be correct. These certainty estimates were compared with the actual percentage correct at each level of certainty. Certainty estimates proved to be fairly accurate for most Ss, although consistent individual differences were found. Training sessions in certainty estimation produced no major improvement. Operating characteristics were consonant with signal detection theory.
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1. This research was supported in part by USPHS Grant MH-11152-01 from the National Institute of Mental Health and by Grant GB-3081 from the National Science Foundation.
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Ulehla, Z.J., Little, K.B. & Weyl, T.C. Operating characteristics and realism of certainty estimates. Psychon Sci 9, 77–78 (1967). https://doi.org/10.3758/BF03330767
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DOI: https://doi.org/10.3758/BF03330767