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- W2149794297 abstract "An empirical study of human expert reasoning processes is presented. Its purpose is to test a model of how a human expert's cognitive system learns to detect, and does detect, pertinent data and hypotheses. This process is called pertinence generation. The model is based on the phenomenon of spreading activation within semantic networks. Twenty-two radiologists were asked to produce diagnoses from two very difficult X-ray films. As the model predicted, pertinence increased with experience and with semantic network integration. However, the experts whose daily work involved explicit reasoning were able, in addition, to go beyond and to generate more pertinence. The results suggest that two qualitatively different kinds of expertise, basic and super, should be distinguished. A reinterpretation of the results of Lesgold et al. (1988) is proposed, suggesting that apparent nonmonotonicities in performance are not representative of common radiological expertise acquisition but result from the inclusion of basic and super expertise on the same curve." @default.
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- W2149794297 date "1998-12-01" @default.
- W2149794297 modified "2023-09-26" @default.
- W2149794297 title "Pertinence generation in radiological diagnosis: Spreading activation and the nature of expertise" @default.
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- W2149794297 doi "https://doi.org/10.1016/s0364-0213(99)80048-2" @default.
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