An earlier experiment suggested that, if subjects in concept-identification experiments were treated as subgroups, rather than as a whole, then consistent ‘strategies’ could be defined for such subgroups of subjects. The experiment was designed to determine whether Trial 3 performance in hypothesis-testing could be predicted on the basis of the pattern which emerged on Trials 1 and 2 for the same subjects. The results indicated that subjects in general were consistent across trials but that forcing subjects to perform an intervening task between one hypothesis and the next had a more “detrimental” effect on some strategies than on others.
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