标题:806-809 指導者と被指導者の関係に関する教育心理学的研究 : 特殊学級における(20.精神薄弱(1),日本教育心理学会第5回総会部門別研究発表要旨・討論の概要) [in Japanese] 806-809 Educational-psychological study of the relationship between the leader and the follower : in a class of mentally retarded children(20.Mental deficienty (1),PROCEEDINGS OF THE FIFTH ANNUAL CONVENTION OF JAPANESE ASSOCIATION OF EDUCATIONAL PSYCHOLOGY PAPERS AND THE SUMMARIES OF DISCUSSIONS) [in Japanese]