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Kromrey, Jeffrey D.; Hines, Constance V. – Educational and Psychological Measurement, 1994
Results from bootstrap samples of 50, 100, and 200 indicate that 3 imputation procedures for missing data produce biased estimates of R2 and both standardized regression weights used. Two deletion procedures (listwise and pairwise) provided accurate parameter estimates with up to 30% of data missing. (SLD)
Descriptors: Comparative Analysis, Estimation (Mathematics), Field Studies, Prediction