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| Linn, Robert L. | 3 |
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| Werts, Charles E. | 1 |
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Peer reviewedWerts, Charles E.; Linn, Robert L. – Educational and Psychological Measurement, 1972
Descriptors: Analysis of Variance, Correlation, Factor Analysis, Mathematical Models
Peer reviewedLinn, Robert L. – Journal of Educational Measurement, 1983
When the precise basis of selection effect on correlation and regression equations is unknown but can be modeled by selection on a variable that is highly but not perfectly related to observed scores, the selection effects can lead to the commonly observed "overprediction" results in studies of predictive bias. (Author/PN)
Descriptors: Bias, Correlation, Higher Education, Prediction
Linn, Robert L.; Dunbar, Stephen B. – Journal of College Student Personnel, 1982
Presents the drastic effects that selection on several variables can sometimes have on the validity of predictor variables. Discusses practical implications of correcting correlations for selection effects and reporting results of validity studies. (Author)
Descriptors: Admission (School), Admission Criteria, College Students, Correlation
