Effects of the “Social and Emotional Learning of 8 Abilities at the Nursery School” (SEL-8N) Program on Preschool Children’s Social Behavior 論文 Yohei Yamada・Reizo Koizumi ·2020-06-30 ·『The Japanese Journal of Educational Psychology』 68(2) pp. 216-229 doi:10.5926/jjep.68.216
A longitudinal study of attitudes and motivation in learning English among Japanese seventh-grade students 論文 Reizo Koizumi・Kaoru Matsuo ·1993-01-01 ·『Japanese Psychological Research』 35(1) pp. 1-11 doi:10.4992/psycholres1954.35.1