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Ikkyu Choi

Ikkyu Choi is a senior research scientist in the Research & Development division at ETS. He received a Ph.D. in applied linguistics from the University of California–Los Angeles with a specialization in language assessment in 2013. At ETS, he contributed to the development of statistical, analytic, and interpretative procedures for constructed-response data as well as automated item generation and associated workflow enhancements. His research has been published in peer-reviewed journals in multiple disciplines including educational measurement, language assessment, and natural language processing, and he received the 2019 best article award from International Language Testing Association (ILTA). He chaired a committee and served on multiple committees for ILTA. He has also served on the editorial advisory board of the National Council on Measurement in Education Instructional Topics in Educational Measurement Series and Language Assessment Quarterly.

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