(1998) Ph.D., Quantitative Research, Evaluation and Measurement School of Educational Policy and Leadership The Ohio State University Advisor: Ayres D’Costa, Ph.D. Dissertation: Sensitivity of Five Rasch-Model-Based-Fit Indices to Selected Person and Item Aberrances: A Simulation Study (1993) M.Ed., Educational Psychology College of Education, Chung-Ang University, Seoul, Korea (1990) B.A., Education Chung-Ang University, Seoul, Korea
Psychological Measurement and Applied Statistics
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