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A Maximum Likelihood Approach to Test Validation with Missing and Censored Dependent Variables

Published online by Cambridge University Press:  01 January 2025

Alan L. Gross*
Affiliation:
Department of Educational Psychology, Graduate Center, City University of New York
*
Requests for reprints should be sent to Alan L. Gross, Graduate Center, City University of New York, 33 West 42 Street, New York, NY 10036.

Abstract

A maximum likelihood approach is described for estimating the validity of a test (x) as a predictor of a criterion variable (y) when there are both missing and censored y scores present in the data set. The missing data are due to selection on a latent variable (ys) which may be conditionally related to y given x. Thus, the missing data may not be missing random. The censoring process in due to the presence of a floor or ceiling effect. The maximum likelihood estimates are constructed using the EM algorithm. The entire analysis is demonstrated in terms of hypothetical data sets.

Type
Original Paper
Copyright
Copyright © 1990 The Psychometric Society

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