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Brennan, Robert L.; Lee, Won-Chan – Educational and Psychological Measurement, 1999
Develops two procedures for estimating individual-level conditional standard errors of measurement for scale scores, assuming tests of dichotomously scored items. Compares the two procedures to a polynomial procedure and a procedure developed by L. Feldt and A. Qualls (1998) using data from the Iowa Tests of Basic Skills. Contains 22 references.…
Descriptors: Error of Measurement, Estimation (Mathematics), Scaling, Scores
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Lee, Guemin; Dunbar, Stephen B.; Frisbie, David A. – Educational and Psychological Measurement, 2001
Conceptualized eight different types of measurement models for a test composed of testlets and studied the goodness of fit of those models to data using data from the Iowa Tests of Basic Skills and simulated data. The essentially tau-equivalent model and the congeneric model provided worse model fit than the other measurement models. (SLD)
Descriptors: Goodness of Fit, Measurement Techniques, Models, Scores