creator	Kodama, Kenji; Okamoto, Yuri; Uchino, Teiji; Sasaki, Shouko; Iga, Yasue; Shinji, Isao; Arita, Masashi; Hashimoto, Naoko; Mizoue, Naomi; Inuzuka, Yuri;
journal title	THE ANNALS OF EDUCATIONAL RESEARCH
issue	Issue 34
date of issued	2006-03
SelfDOI	10.15027/17265