PRESENTATIONS AT MEETINGS AND CONFERENCES
Johnson, M., Lee, Y.-S., Sachdeva, R. *, Zhang, Z. *, & Park, J. Y. * (2013, April). Examination of Gender Differences Using the Multiple Groups DINA Model. Paper presented at the annual meeting of the National Council on Measurement in Education, San Francisco, CA.
Johnson, M., Lee, Y.-S., Park, J. Y. *, Zhang, Z. *, & Sachdeva, R.* (April, 2013). Comparing Attribute Distribution Across Countries: Application to TIMSS 2007 Mathematics. Paper presented at the annual meeting of the National Council on Measurement in Education, San Francisco, CA.
Lee, Y.-S., Johnson, M., Park, J. Y.*, Sachdeva, R.*, Zhang, Z.*, & Waldman, M.* (2013, April). A Multidimensional Scaling (MDS) Approach for Investigating Students' Cognitive Weakness and Strength on TIMSS 2007 Mathematics. Paper presented at the annual meeting of the American Educational Research Association, San Francisco, CA.
Lee, Y.-S., Park, Y. S., & Song, Y. (April, 2013). Examining the Mastery of Science Skills using the 4th Grade Science TIMSS. Poster presented at the 86thNational Association for Research in Science Teaching (NARST)Annual International Conference, Rio Grande, Puerto Rico.
Park, J. Y.*, Johnson, M., Lee, Y.-S., Zhang, J.*, & Sachdeva, R.* (2012, July). Comparing Attribute Distribution across Countries; Application to TIMSS 2007 Mathematics. Poster presented atthe 77th annual meeting of the PsychometricSociety, Lincoln, NE.
Park, J. Y.*, Johnson, M., Lee, Y.-S., Sachdeva, R.*, & Zhang, J.* (2012, July). The MDS approach for investigate student's cognitive weakness and strength on TIMSS 2007 Mathematics data. Poster presented at the 8th conference of the International Test Commission at Amsterdam, The Netherlands.
Park, Y. S., & Lee, Y.-S. (2012, July). A Bayesian Model Comparison Approach in Mixture IRTModels:An Empirical Analysis using the TIMSS Mathematics Assessment. Poster presented at the 8th conference of the International Test Commission at Amsterdam, The Netherlands.
Lee, Y.-S., Johnson, M., Park, J. Y.*, Sachdeva, R.*, & Zhang, J.* (2012, July). An Application ofa Multiple-Group CDM to Compare Cognitive Attribute Distributions based on Eighth Grade TIMSS Mathematics. Poster presented at the 8th conference of the International Test Commission at Amsterdam, The Netherlands.
Lee, Y.J.*, In, B.R.*, Park, Y. S., & Lee, Y.-S. (2012, April). An Empirical Analysis of Item Parameter Drift in TIMSS using the DINA model. Posterpresented at the annual conference of the National Council on Measurement in Education(NCME) Graduate Student Issues Committee (GSIC) Poster Session, Vancouver, Canada.
Kim, S.E.*, Park, Y. S., & Lee, Y.-S. (2012, April). An Application of Latent Class Models to Multiple Strategy CDM Analysis. Posterpresented at the annual conference of the National Council on Measurement in Education(NCME) Graduate Student Issues Committee (GSIC) Poster Session, Vancouver, British Columbia, Canada.
Lee, Y.-S., Park, Y. S., & Seong, T.-J. (2012, April).
An extension of the DINA model using covariates: Examining factors affecting response probability and latent classification. Paper presented to the annual meeting of the National Council on Measurement in Education, Vancouver, British Columba, Canada.
Ginsburg, H., Pappas, S., Lee, Y.-S., & Chiong, C. (2011, September). Happy Birthday: An assessment tool that helps teachers understand and promote young children's math learning. Paper to be presented at the Society for Research on Educational Effectiveness Fall 2011 Conference, Washington, DC.
Park, Y. S., & Lee, Y.-S. (2011, July). Mixture Higher-Order DINA Model for Differential Attribute Functioning. Paper presented atthe 76th annual meeting of the Psychometric Society, Hong Kong.
Lee, Y.-S., & Park, Y. S. (2011, July). Application of Mixture IRT to Multiple Strategy CDM Analysis. Paper presented atthe 76th annual meeting of the Psychometric Society, Hong Kong.
Lee, Y.-S. (2011, July). mCLASS: Math - Development and analysis of an integrated screening, progress monitoring, and cognitive assessment system for K-3 mathematics. Invited talk given at the BK 21 international forum in the department of Education at Seoul National University, Seoul, Korea.
Lee, Y.-S. (2011, June). Introduction to Diagnostic Classification Models. Invited talk given at the workshop in the department of Education at ChungNam National University, Daejeon, Korea.
Lee, Y.-S. (2011, May). An Application of Cognitive Diagnosis Modeling in the TIMSS 2007 4th Grade Mathematics Assessment. Invited talk given at the BK 21 international forum in the department of Education at Seoul National University, Seoul, Korea.
Lee, Y.-S. (2011, May).
An Application of Cognitive Diagnosis Modeling in the TIMSS 2003 8t h Grade Mathematics Assessment: A Comparison of Performance between the United States and Korea. Invited talk given at the Mathematics Education department colloquium at Seoul National University, Seoul, Korea.
Park, Y. S., & Lee, Y.-S. (2011, April). Investigating Item Parameter Drift Using Mixture IRT: An Application from TIMSS. Paper presented at the annual meeting of the National Council on Measurement in Education, New Orleans, LA.
Pappas, S., Chiong, C., Lee, Y.-S., & Ginsburg, H. P. (2011, April). Examining Group Differences Using the Clinical Interview. Paper presented in the symposium of Using Developmental Psychology to Create a New Course in Early Childhood Mathematics Education at the biennial meeting of the Society for Research in Child Development, Montreal, Canada.
Lee, Y.-S., Pappas, S., Chiong, C., & Ginsburg, H. P. (2011, April). Reliability and Validity of the Clinical Interview. Paper presented in the symposium of Using Developmental Psychology to Create a New Course in Early Childhood Mathematics Education at the biennial meeting of the Society for Research in Child Development, Montreal, Canada.
Chiong, C., Pappas, S., Lee, Y.-S., & Ginsburg, H. P. (2011, April). Profiles of Mathematical Thinking and Performance. Paper presented in the symposium of Using Developmental Psychology to Create a New Course in Early Childhood Mathematics Education at the biennial meeting of the Society for Research in Child Development, Montreal, Canada.
Lee, Y.-S., Hartman, G., Pappas, S., Chiong, C., & Ginsburg, H. P. (2011, April). Elaboration of the Early Mathematics Assessment System: The Spanish Version and Screen. Poster presented in the symposium of
Developing the New Generation of Preschool Outcome Measures: The Interagency School Readiness Measurement Consortium (ISRMC) at the biennial meeting of the Society for Research in Child Development, Montreal, Canada.
Lee, Y.-S., Park, Y. S., & Lee, S. Y. (2010, December). Post-Smoothing by Kernel Equating to Compare College Scholastic Aptitude Test Performance between Offices of Education via Multilevel Methods. Presented at the symposium on the Analysis of National Assessment of Educational Achievement and College Scholastic Ability Test (CSAT) Data at the Korea Institute for Curriculum and Evaluation (KICE), Seoul, Republic of Korea.
Lee, Y.-S. (2010, November). A cognitive diagnostic modeling of attribute mastery in Massachusetts, Minnesota, and the U.S. national sample via TIMSS 2007. Invited talk given at the BK21 International Symposium on Educational Innovation, Consulting, & Evaluation at Pusan National University, Pusan, Republic of Korea.
Lee, Y.-S., Park, Y. S., & Taylan, D. (2010, July). A Comparative Study of Attribute Mastery between Regional Entities within the U.S.: An Analysis of TIMSS 2007 Using Cognitive Diagnostic Modeling. Paper presented at the 7th conference on the International Test Commission at the Chinese University of Hong Kong Shatin, Hong Kong.
Park, Y. S., & Lee, Y.-S. (2010, July). CTT, IRT, and G-DINA Analysis of TIMSS 2007. Paper presented at the 7th conference of the International Test Commission at the Chinese University of Hong Kong Shatin, Hong Kong.
Park, Y. S., & Lee, Y.-S. (2010, July). Investigating Item Drift in TIMSS via Cognitive Diagnostic Modeling. Paper presented at the 7th conference of the International Test Commission at the Chinese University of Hong Kong Shatin, Hong Kong.
Chiong, C., Lee, Y. S., Pappas, S., & Ginsburg, H. (2010, June). What kind of math student are you? Generating profiles by examining student performance on mCLASS: Math Diagnostic Interview assessment. Poster presented at the fifth annual research conference of the Institute of Education Sciences (IES), Washington, DC.
Ginsburg, H. P., Lee, Y.-S., Pappas, S., Hartman, G., & Rosenfeld, D. (2010, June). A Comprehensive Mathematics Assessment for Preschool-Age Children. Poster presented in the symposium of Developing New Measures to Assess the School Readiness of Young Children: The Interagency Consortium for School Readiness Outcome Measures at the biennial meeting of the Head Start's National Research Conference, Washington, DC.
Kim, G., Lee, Y.-S., & Park, Y. S. (2010, April). Multiple Imputation with fully conditional specification approach: Estimation of Reliability Coefficient with missing data. Paper presented at the annual meeting of the National Council on Measurement in Education, Denver, CO.
Park, Y. S., & Lee, Y.-S. (2010, April). Mixture IRT Model Comparison using Bayesian Methods: An Empirical Analysis via Cognitive Diagnosis Interview Data. Paper presented at the annual meeting of the National Council on Measurement in Education, Denver, CO.
Lee, Y.-S., & de la Torre, J. (2010, April). Item-Level Comparison of Saturated and Reduced Cognitive Diagnosis Models. Paper presented at the annual meeting of the National Council on Measurement in Education, New York, NY.
Pappas, S., Lee, Y.-S., Chiong, C., & Ginsburg, H. P. (2010, April). What might you know by your next birthday? Poster presented at the annual meeting of the American Educational Research Association, Denver, CO.
Lee, Y.-S., Chiong, C., Pappas, S., & Ginsburg, H. P. (2010, April). How did you know that? - Digging deeper into K-3rd grade students' mathematical strategy use within the mCLASS: Math assessment system. Poster presented at the annual meeting of the American Educational Research Association, Denver, CO.
Kim, G., & Lee, Y.-S. (2010, April). Evaluating Diagnostic Accuracy and Utility of mCLASS: Math CBM for Grade K to 3 Students. Poster presented at the annual meeting of the American Educational Research Association, Denver, CO.
Park, Y. S., Lee, Y.-S., & Choi, K. M. (2010, April). Cognitive Diagnostic Analysis of TIMSS 2007 Using the DINA Model: A Multilevel Comparison of High, Average, and Low Performance. Paper presented at the annual meeting of the American Educational Research Association, Denver, CO.
Lee, Y.-S., & Ginsburg, H. P. (2010, January). Piaget meets IRT & IRT meets Piaget. Invited talk given at the Human Development department colloquium at Teachers College, Columbia University, NY.
Lee, Y.-S., & Park, Y. S. (2010, January). An Analysis of Mathematical Performance in 4th grade American Students to the International Average via TIMSS. Paper presented at the annual meeting of the Hawaii International Conference on Education, Honolulu, HI.
Lee, Y.-S., & Lee, S. Y. (2010, January). Exploring Young Children's Metacognitive Skills and Usage of Mathematical Strategy: A Comparison between American and Korean Kindergarteners. Paper presented at the annual meeting of the Hawaii International Conference on Education, Honolulu, HI.
Park, Y. S., & Lee, Y.-S. (2010, January). International Comparison of Content and Cognitive Clustering in TIMSS 2003 8th grade Mathematics. Paper presented at the annual meeting of the Hawaii International Conference on Education, Honolulu, HI.