On the Importance of Reliable Covariate Measurement in Selection Bias Adjustments Using Propensity Scores [electronic resource] / Peter M. Steiner, Thomas D. Cook and William R. Shadish.

This paper investigates how bias reduction was affected when different degrees of measurement error were systematically introduced into the measures constituting the final estimated propensity score (PS), the PS only for the set of effective covariates and the PS only for the ineffective ones. Since...

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Bibliographic Details

Online Access:	Full Text (via ERIC)
Main Authors:	Steiner, Peter M., Cook, Thomas D. (Author), Shadish, William R. (Author)
Corporate Author:	Society for Research on Educational Effectiveness
Format:	Electronic eBook
Language:	English
Published:	[Place of publication not identified] : Distributed by ERIC Clearinghouse, 2009.
Subjects:	Statistical Analysis. Error of Measurement. Statistical Bias. Scores. Reliability. Undergraduate Students.