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

Matthew Newman Gaertner, SRI Internatinal

A Bayesian Beta-Mixture Model for Nonparametric Item Response Theory - Ethan Arenson; George Karabatsos, University of Illinois at Chicago

Comparison of Single-Stimulus Format and Forced-Choice Format Instruments Using Thurstonian Item Response Theory - David Dueber, University of Kentucky; Abigail M. A. Love, University of Kentucky; Michael Toland, University of Kentucky; Trisha Anne Turner, University of Kentucky

Consequences of the Proportional Constraint in Multilevel Multidimensional Item Response Theory Models - Ken A. Fujimoto, Loyola University Chicago

Improving Differential Item Functioning Identification With Small Samples: Weighted Area Method - Carl Siebert, Boise State University

Performance of Sandwich Estimator in Item Response Theory When Normality Assumption of Latent Trait Is Violated - Zhongtian Lin, Florida State University; Insu Paek, Florida State University

Hariharan Swaminathan, University of Connecticut

Andreas H. Oranje, Educational Testing Service