The Spread and Change in Quality of OKAYAMA Hidekichi's Educational Theory of Manual Training Course, Forced on Authorized Textbooks for Teachers

本研究旨在厘清冈山英吉手工训练课程教育理论的传播与品质变迁。方法是对日本文部省授权的手工培训教材与美国手工培训教材进行对比研究，采用“体验式教材修复法”。实验结果如下：1；日本以国家编辑教科书为主，手工培训课程的情况一直不明朗。然而，他的手工训练课程教育理论却达到了国际标准，并在日本的许多小学传播开来。

The purpose of this study is to clarify the spread and change in quality of OKAYAMA Hidekichi's educational theory of manual training course. The method is to make a comparative study of authorized manual training textbooks by Ministry of Education in Japan and teaching material for manual training in U.S.A., using "Experiential Approach to Restoring Teaching Material".The following results are obtained:1. Focused on state editing textbooks in Japan, the situation of manual training course had been unclear all the time.2. And yet his educational theory of manual training course came up to international standard, and spread over many elementary schools in Japan.