Jihyun is a survey methodologist, applied statistician, and educational psychologist, interested in large-scale assessment. Her interest is developing methodology to increase quality and usability of survey instruments. She has developed numerous survey instruments in her 10 years of professional service. Substantively, she researches on a wide range of education-related psychological constructs (e.g., interest, motivation, confidence, attitudes, self-belief, and anxiety) in relation to student achievement in various subject domains (reading, writing and mathematics). She comes to UNSW from the National Institute of Education in Singapore, where she worked as Assistant Professor. Prior to that, Jihyun was a key member for test/questionnaire/survey development at Educational Testing Service (ETS), Princeton New Jersey, U.S.A. for several years, working on large-scale projects such as the National Assessment of Educational Progress (NAEP) and the Programme for International Student Assessment (PISA). She was also ETS liaison to the US federal government bureau, the National Center for Educational Statistics (NCES) within the U.S. Department of Education. She received a PhD in Measurement and Applied Statistics from Columbia University and a Master in Human Development from Harvard School of Education.