Peer reviewedERIC Number: EJ278918
Record Type: Journal
Publication Date: 1983
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Abstractor: N/A
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Pearson Selection Formulas: Implications for Studies of Predictive Bias and Estimates of Educational Effects in Selected Samples.
Linn, Robert L.
Journal of Educational Measurement, v20 n1 p1-15 Spr 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, Predictive Validity, Regression (Statistics), Research Design, Sampling, Scores, Selection
Publication Type: Journal Articles; Reports - Research
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Language: English
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