Jul. 26. 2016.

The 13th International Congress on Mathematical Education (ICME-13)

• University of Hamburg, Hamburg, Germany

• Topic: Korean preservice teachers' knowledge for teaching sample (with N. Y. Ku, H. Y. Kang, & K. H. Lee) 

Dec. 09. 2022.

The 2022 Autumn Conference of KSME

• Sogang University, Seoul, Republic of Korea

• Topic: A study on improving of teaching chance in Korean Elementary School Mathematics Curriculum. (with E. S. Ko)

May. 28. 2022.

The 58th Conference of KSESM

• Dankook University, Yongin, Republic of Korea

• Topic 1: Statistics education for data age. (with H. Y. Kang, S. Kim, E. Kim, M. S. Park, D. Shin, B. Shin, Y. K. Lee, S. Lim, H. W. Chang, S. K. Jeon, C. S. Cho., Y. M. Jee, & C. Han)

• Topic 2: The mean and orientation of data-driven probability and statistics education. (with K. H. Lee, & Y. J. Yoo)

• Topic 3: The goal and task of data-driven probability and statistics education. (with K. H. Lee, & Y. J. Yoo)

• Topic 4: Restructuring school mathematics curriculum for data-driven probability and statistics education. (with K. H. Lee, & Y. J. Yoo)

Apr. 30. 2022.

The 2022 Spring Conference of KSME

• Virtual Conference

• Topic: Data-driven probability and statistics education as the new orientation of school statistics.

Dec. 11. 2021.

The 2021 International Conference of KSME

• Virtual Conference

• Topic 1: Data as the new paradigm of school mathematics for intelligence and information age.

• Topic 2: A study on ways to improve students' mathematical affective achievement. (with H. Lee, J. Park, J. Hwang, H. K. Ko, M. Lim, S. Lee, S. Oh, & H. Kim)

May. 22. 2021.

The 57th Conference of KSESM

• Virtual Conference

• Topic 1: An analysis on the types of statistical graphs in the middle school mathematics textbooks (with E. S. Ko)

• Topic 2: An overview of 'Pre-K-12 Guidelines for Assessment and Instruction in Statistics Education II' Report (with Y. M. Jee, E. H. Kim, S. K. Jeon, Y. K. Lee, & J. M. Lee)

Dec. 11. 2020.

The 2020 International Conference of KSME

• Virtual Conference

• Topic: An analysis on the frames of statistical graphs in the elementary school mathematics textbooks

Dec. 5. 2020.

The 56th Conference of KSESM

• Virtual Conference

• Topic 1: A study on the error types of statistical graphs and ethic problems in data analysis

• Topic 2: A current state analysis on 2015 revised elementary school mathematics curriculum (with J. H. Park)

Aug. 14. 2020.

The 55th Conference of KSESM

• Virtual Conference

• Topic: A didactical values of dot plots and box plots for developing statistical inference (with E. S. Ko)

Dec. 21. 2019.

The 2019 Fall Conference of KSHM

• Korea University, Seoul, Republic of Korea

• Topic: The 2015 revised curriculum of school mathematics and reformation of mathematics education in Korea (with H. Y. Kang)

Dec. 13. 2019.

The 2019 Joint Conference of Korean Mathematics Education Societies

• Ajou University, Suwon, Republic of Korea

• Topic: The foundations of statistics education for statistical problem solving

Apr. 6. 2019.

The 2019 National Conference of KSME

• Sungkyunkwan University, Suwon, Republic of Korea

• Topic: A study on the meaning of experience and exploration in mathematics education

Dec. 1. 2018.

The 2018 International Conference of KSME

• Seoul National University of Education, Seoul, Republic of Korea

• Topic: A significance of parental participation in mathematics education

Nov. 3. 2018.

The 53nd Conference of KSESM

• Gyeongin National University of Education, Anyang, Republic of Korea

• Topic: A didactical analysis on box plot in statistics education (with Y. M. Jee & E. S. Ko)

May. 26. 2018.

The 52nd Conference of KSESM

• Jeonju National University of Education, Jeonju, Republic of Korea

• Topic: Classifying and representing data as statistical literacy: Focus on the mathematics curriculum for 1st and 2nd grades

Apr. 7. 2018.

The 2018 National Conference of KSME

• Korea National University of Education, Cheongju, Republic of Korea

• Topic: A study on developing materials of teaching and learning mathematics in vocational high schools (with H. Y. Kang)

Dec. 8. 2017.

The 2017 Joint Conference of Korean Mathematics Education Societies

• Seoul National University, Seoul, Republic of Korea

• Topic: Statistics education for pre-service elementary teachers through the "comparing two data sets" tasks (with Y. M. Jee & E. S. Ko)

May. 27. 2017.

The 51st Conference of KSESM

• Korea National University of Education, Cheongju, Republic of Korea

• Topic: A study on statistical knowledge for teaching sample to develop statistical literacy (with K. H. Lee)

Apr. 15. 2017.

The 2017 National Conference of KSME

• Korea University, Seoul, Republic of Korea

• Topic: A study on understanding of bias as teachers' statistical literacy (with K. H. Lee)

Oct. 29. 2016.

The 50th Conference of KSESM

• Seoul National University, Seoul, Republic of Korea

• Topic: Korean preservice teachers' understanding of teaching sample and statistical literacy (with N. Y. Ku, H. Y. Kang, & K. H. Lee)

Oct. 15. 2016.

The 2016 International Conference of KSME

• Ajou University, Suwon, Republic of Korea

• Topic: Analysis of domestic research trends in statistics education (with K. H. Lee)

May. 21. 2016.

The 49th Conference of KSESM

• Mokwon University, Daejeon, Republic of Korea

• Topic: The significance on the concept of statistical sample in Jane Watson's studies (with K. H. Lee)

Nov. 14. 2015.

The 48th Conference of KSESM

• Chuncheon National University of Education, Chuncheon, Republic of Korea

• Topic 1: The research trend of teaching statistical sample (with K. H. Lee)

• Topic 2: A Study on the change in status of David Tall's procept (with S. J. Moon, N. Y. Ku, H. Y. Kang, & K. H. Lee)

Nov. 7. 2015.

The 2015 International Conference of KSME

• Seoul National University, Seoul, Republic of Korea

• Topic: Korean preservice teachers' understanding of teaching sample (with N. Y. Ku, H. Y. Kang, & K. H. Lee)

May. 2. 2015.

The 2015 Joint Conference of Korean Mathematics Education Societies

• Konkuk University, Seoul, Republic of Korea

• Topic 1: A study on the teaching of sample by a historical analysis (with N. Y. Ku, H. Y. Kang, & K. H. Lee)

• Topic 2: A study on the teaching of sample by a curricular analysis (with N. Y. Ku, H. Y. Kang, & K. H. Lee)

Nov. 1. 2014.

The 46th Conference of KSESM

• Sogang University, Seoul, Republic of Korea

• Topic: A historical analysis on the concept of sample (with N. Y. Ku, H. Y. Kang, & K. H. Lee)

May. 24. 2014.

The 45th Conference of KSESM

• Chungbuk National University, Cheongju, Republic of Korea

• Topic: A study on the productive law through combinatorial reasoning with Lyn English's studies (with K. H. Lee)

May. 25. 2013.

The 43th Conference of KSESM

• Chinju National University of Education, Jinju, Republic of Korea

• Topic: The significance of semiotic approach on mathematics education (with J. H. Park & K. H. Lee)