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College of Education and Human Services

Quantitative Methods

Todd Christopher Headrick

headrick

Office: Wham 222J
Phone: (618) 453-1818
Email: headrick@siu.edu

Professor, Quantitative Methods

Cross Appointed - Department of Psychology

Ph.D., Wayne State University, 1997

Research Interests: Statistical Computing Methodology, Mathematical Statistics, Monte Carlo and Simulation Methods

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Jennifer Koran

koran

Office: Wham 222F
Phone: (618) 453-2311
Email: jkoran@siu.edu

Associate Professor, Quantitative Methods

Cross Appointed - Department of Psychology

Ph.D., University of Maryland, 2009

Research Interests: Latent Growth Modeling, Structural Equation Modeling, Hierarchical Linear Modeling

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Rhonda Kowalchuk

kowalchuk

Office: Wham 222K
Phone: (618) 453-6921
Email: rkowal@siu.edu

Associate Professor and Coordinator, Quantitative Methods

Cross Appointed - Department of Psychology

Ph.D., University of Manitoba, Canada, 2000

Research Interests: Applied Statistics, Experimental Design, Monte Carlo Methods, Survey Research

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Yanyan Sheng

sheng

Office: Wham 222H
Phone: (618) 453-6913
Email: ysheng@siu.edu

Professor, Quantitative Methodss

Cross Appointed - Department of Psychology

Ph.D., University of Missouri - Columbia, 2005

Research interests: Psychometrics, Bayesian IRT Modeling, Adaptive testing

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