- 2016 - 2020 Developmental study of procedure of instruction and evaluation on moral education
- 2014 - 2017 Effects of an instructional intervention based on children's thinking on conceptual understanding of ratios
- 2012 - 2015 Develpmental study of lesson design for fostering teacher's instruction skill for children's dailogue
- 2009 - 2011 A Developmental Study of Learning Environment of Children's Study Form and Teacher's Teaching Method in Dialogue-centered Lesson
- 2005 - 2007 Cultivating learning and education environments for fostering creative discussion skills for children
- 2003 - 2004 Research on the System for Exchange Study between College and Schools in Isolated Islands Using Videoconferencing
- 2002 - 2004 DEVELOPMENT OF BOTH TEACHERS PRACTICE SKILLS ON "DISCUSSION-BASED CLASSROOM TEACHING" AND TEACHING-SUPPORT SYSTEM
- 1999 - 2001 THEORETICAL AND EMPIRICAL STUDIES OF "DISCUSSION" INDUCED CREATIVE/CRITICAL THINKING AND ABILITIES OF SELF-EXPRESSION
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