2008. 8. 26. “A word list for young learners of English in Japan,” At the 15th International Association of Applied Linguistics, Essen, Germany. (Co-authored: Nobuko Hasegawa, Miyoko Kobayashi, and Nahomi Machida).
2008. 6. 25. “Assessment of Young Japanese Learners of English: What works best?” The 30th Annual Language Testing Research Colloquium, Zhejiang University, Hangzhou, China. (Co-authored: Miyoko Kobayashi, Nobuko Hasegawa, and Machida Nahomi) (June 23-26, 2008).
2006. 11. 24〜26. Young learner assessment in Japan, Language Testing Forum 2006, Post-Presentation, University of Reading, UK. (Co-authored: Miyoko Kobayashi, Nobuko Hasegawa, and Machida Nahomi)
2006. 6. 29 Young learners in Japan: lost for words? Language Testing Research Colloquium 2006, University of Melbourne (Australia) (Co-authored: Miyoko Kobayashi, Nobuko Hasegawa, Yukie Horiba, Nahomi Machida, Mayumi Ajioka)(June 27-July 1, 20006)