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Portrait of Hye-Jeong Choi

Contact Information

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Office Location

110 Carlton Street
Athens, Georgia 30602


Degree Concentration Institution Year
PhD Research, Evaluation, Measurement and Technology University of Georgia 2010
MA Educational Methods Seoul National University 2001
BA Education Seoul National University 1992

Areas of Expertise

  • Educational measurement
  • Psychometrics
  • Statistics

Research Interests

  • Mixture Item Response Theory Models
  • Diagnostic Classification Models
  • Longitudinal data analysis
  • Bayesian estimation methods

Research Summary

Hye-Jeong Choi is Adjunct Assistant Professor of Educational Psychology and Assistant Research Scientist at Georgia Center for Assessment. Her research focuses on methodological issues in measurement, including item response theory models, latent class analysis, and diagnostic classification models. These models can be combined as finite mixture models to better understand individual differences in response patterns in various testing settings. These are a promising way of understanding qualitative individual differences in learning or problem solving process. Her research also has focused on latent growth modeling with categorical data and Bayesian approach in analyzing complex data.