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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