Division D - Measurement and Research Methodologies / Section 1: Educational Measurement, Psychometrics, and Assessment

Alvaro J. Arce, Pearson

Comparing Four Lower Bound Coefficients of Reliability Under Violation of the Assumption of Unidimensionality - Wei Tang, University of Alberta; Ying Cui, University of Alberta

Investigating the Behavior of Reliability Coefficients for Different Test Score Distributions - Yi-Fang Wu, University of Iowa; David J. Woodruff, ACT, Inc.

Subscores and Subgroups - Sandip Sinharay, CTB/McGraw-Hill; Shelby Haberman, Educational Testing Service

Application of the Bifactor Item Response Theory Model for Subscores Estimation - Zairul Nor Deana Md Desa, The University of Kansas; Adibah Abdul Latif, Universiti Teknologi Malaysia

Frank Rijmen, ETS