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Direct linkKim, Taeyoung; Lee, Jaekyung – Educational Research and Evaluation, 2020
Extending conventional value-added models (VAM) of teacher effects that focus on the estimation of average effects for excellence, this study examines "distributive" effects for equity. Using multilevel regression models, the study addresses two research questions to inform educational policy for teacher improvement and accountability.…
Descriptors: Teacher Effectiveness, Teacher Evaluation, Equal Education, Achievement Gap
Lee, Jaekyung; Kim, Namsook; Wu, Yin – Higher Education: The International Journal of Higher Education Research, 2019
This study examines undergraduate students' college readiness and educational engagement gaps in a US public research university. The study reveals the heterogeneity of domestic (American) and international student groups. While typical international students may have disadvantages in college readiness and engagement, English speakers and American…
Descriptors: College Students, Foreign Students, College Readiness, Learner Engagement
Lee, Jaekyung; Finn, Jeremy; Liu, Xiaoyan – Journal of Experimental Education, 2019
Through a synthesis of test publisher norms and national longitudinal data sets, this study provides new national norms of academic growth in K-12 reading and math to help reinterpret conventional effect sizes in time units. We propose "d'," a time-indexed-effect-size metric to estimate how long it would take for an "untreated"…
Descriptors: Effect Size, Reading Achievement, Mathematics Achievement, National Norms
Download full textLee, Jaekyung; Kim, Namsook; Wu, Yin – Online Submission, 2018
This study examines undergraduate students' college readiness and educational engagement gaps in a U.S. public research university. The study reveals the heterogeneity of domestic (American) and international student groups. While typical international students may have disadvantages in college readiness and engagement, English speakers and…
Descriptors: College Readiness, Learner Engagement, Achievement Gap, Foreign Students
Lee, Jaekyung; Kang, Chungseo – Asia Pacific Journal of Education, 2019
This study challenges prior evidence on the impact of Korea's high-stakes school accountability policy as a tool to improve overall achievement and close achievement gaps. Applying difference-in-differences method, the study compares Korean high school students' reading and math test score trends before and after the policy based on the National…
Descriptors: Equal Education, Accountability, Educational Policy, High Stakes Tests
Lee, Jaekyung; Kim, Namsook – Online Submission, 2016
This study examines the pattern and extent of actual vs. perceived math achievement gaps (test scores vs. self-ratings) among Koreans, Korean-American immigrants and Korean-American natives. The study links TIMSS 2007 8th grade math data and ECLS-K 2007 8th grade math data together for matched sample (Korean ethnicity) comparisons. In terms of…
Descriptors: Asians, Immigrants, Korean Americans, Comparative Analysis
