Nihongo no shuujoshi 「 yo 」 「 ne 」 「 yone 」 ni tsuite : nihongo kyouiku no shiten kara

Keizaiteki shiten kara no buta no ikushu keikakuhou ni kansuru kenkyuu

Kanjiken ni okeru nihongo kyouiku no shiteki kenkyuu

Doushi no ishisei ni tsuite : taigo nihongo no taishou kenkyuu o mezashite

Nihongo keigo hyougen no shiteki tenkai ni tsuite no kenkyuu : sonja teii juushi no keigo kara jiko teii juushi no keigo e

Nihon no kirisutokyou kyouiku ni tsuite

Nihongo no kaiwa ni okeru warikomi hatsuwa ni kansuru kenkyuu : nihongo bogo washa to nihongo gakushuusha no gengo koudou to higengo koudou no kansatsu kara

Nihongo kyouju no shuppatsuten

Untensha no shiten ni kansuru kenkyuu

Kahoku nihongo kyouiku kenkyuujo sousho

Kahoku nihongo kyouiku kenkyuujo sousho

Kurasutaringu ni yoru shiten ni fuhenna patān ninshiki no gakushuu

Puran kontaburu jeneraru ni kansuru kenkyuu : kaikei hyoujunka no shiten kara no kousatsu

Nijuusei no kanri to soshiki : inobēshon kanri no shiten kara

Tsuzurikata kyouiku ni tsuite : gendai nihon no kenkyuu

Kyouiku no houhougaku ni tsuite

Seishin kyouiku no kakushin ni tsuite

Gendai nihongo ni okeru gaizensei o arawasu fukushi no kenkyuu

Kanbu kyouiku no jisshihou ni tsuite

Kyoumei tonnerukei to randamu potensharukei ni okeru denshi joutai no souteniteki shiten kara no kaiseki

Jiheishousha no shokugyou rihabiritēshon ni kansuru kenkyuu : shokugyou asesumento to shokugyou shidou no shiten kara

Kodomo no kyouiku ni nayamu yo no haha ni kotaete

Nihongo hatsuon no hanashi

Onkan kyouiku ni tsuite : zettai onkan kyouiku no shourai

Nihongo no konponteki kenkyuu