The Center for Applied Psychometric Research

S. Natasha Beretvas, Ph.D.

Professor, Department of Educational Psychology, Quantitative Methods Specialization, University of Texas at Austin

Research Interests and Expertise: Statistical/psychometric modeling with a focus on hierarchical linear modeling/multilevel modeling and meta-analytic procedures.

Tiffany Whittaker, Ph.D.

Associate Professor, Department of Educational Psychology, Quantitative Methods Specialization, University of Texas at Austin

Research Interests and Expertise: Structural Equation Modeling (SEM), multilevel modeling (MLM), and item response theory (IRT) with a focus on model specification, comparison/selection, and model modification methods.

Hyeon-Ah Kang, Ph.D.

Assistant Professor, Department of Educational Psychology, Quantitative Methods Specialization, University of Texas at Austin

Associate Director, Center for Applied Psychometric Research

Research Interests and Expertise: Item response theory, cognitive diagnostic assessment, response time modeling and computerized adaptive testing.

Seung W. Choi, Ph.D.

Professor, Department of Educational Psychology, Quantitative Methods Specialization, University of Texas at Austin

Director, Center for Applied Psychometric Research

Research Interests and Expertise: Application of classical test theory and item response theory to test and scale development, computerized adaptive testing, test score linking, and patient-reported outcomes measurement.