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Jaehwa Choi Faculty Member

Positions

Jaehwa Choi is Associate Professor and Program Director of the Assessment, Testing, and Measurement Program in the Department of Educational Leadership at the George Washington University. Dr. Choi holds a Ph.D. from the University of Maryland in the Department of Measurement, Statistics, and Evaluation in 2006. He is also the Executive Director of the Computer Adaptive Formative Assessment (CAFA) Laboratory (CAFA Lab, Inc.) and has conducted various Information and Communication Technology (ICT)-based assessment projects in collaboration with Samsung Electronics (Intelligence Solution Team), Korea Institute for Curriculum and Evaluation (KICE; Assessment Advancement Team), Korea Research Institute for Educational Assessment (KRIEA), and others. His research interests and current projects include: • Next Generation Assessment Models: Truncated or semi-truncated logistic (a.k.a., PTL or PSTL) item response theory models; Non-linear growth modeling for latent traits; assessment models for machine/artificial intelligence; Markov chain Monte Carlo (MCMC) estimation methods, advanced structural equation models; hierarchical linear models. • Intelligent Assessment Engineering Systems: Automatic item generation (AIG) using machine learning techniques; computer-adaptive formative assessment models; educational big data analytic systems; problem solving artificial intelligent (AI) System using Deep Learning Artificial Neural Network (DL ANN); diagnostic assessment system using DL ANN. • Technology-enhanced STEM Education Applications: K-Math Workbook System using AIG (6 and 7 grades); CAFA Smart Assignment System for K-12 Math; Pathway to Advancement and Success in Statistics (PASS) System.

Research Areas

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