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A power comparison of three tests for design effects in a random effects covariance model
Authors:D.L. Hawkins  Chien-Pai Han
Affiliation:The University of Texas at Arlington
Abstract:A preliminary testing procedure for design ettecta in a ran-dom effects covariance model is Compared with the usual procedure to see if the power of the latter can be improved. A procedure which ignores the random covariate effects is included for comparison and for study of misspecification effects. Methodology is based on Roebruck's (1982) results for regular linear models.
Keywords:random effects covapianae model  preliminary test  variance components  regular linear models
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