creator	Nakanishi, Hiroshi; Umeno, Eiji; Yuasa, Rie; Okugawa, Kazunaga; Sakata, Kohei; Hattanda, Kouji; Taomoto, Miki; Oosedo, Kazuki; Kihara, Seiichirou;
journal title	THE ANNALS OF EDUCATIONAL RESEARCH
issue	Issue 43
date of issued	2015-03-26