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Trafimow, David; Rice, Stephen – Psychological Review, 2008
People can use a variety of different strategies to perform tasks and these strategies all have two characteristics in common. First, they can be evaluated in comparison with either an absolute or a relative standard. Second, they can be used at varying levels of consistency. In the present article, the authors develop a general theory of task…
Descriptors: Behavior Theories, Performance, Scores, Performance Factors
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Cahan, Sorel – Educational and Psychological Measurement, 1989
Statistical significance and "abnormality" have been used as criteria for the evaluation of intra-individual subtest score differences. Shortcomings of these criteria are identified, and improved estimates of the true score differences are suggested. The applicability of the abnormality criterion to these improved estimates is reviewed.…
Descriptors: Estimation (Mathematics), Evaluation Methods, Individual Differences, Mathematical Models