标题:831, 832 ろう児と普通児の言語理解の質的差異に関する研究 (日本教育心理学会第4回総会部門別研究発表要旨・討論の概要 : 22. 言語障害・聴力障害 (2)) [in Japanese] 831, 832. A qualitative analysis of language under-standing in deaf and hearing children. (TITLE OF PAPERS AND THE SUMMARIES OF DISCUSSIONS : 22. Speech and hearing Difficulties (2)) [in Japanese]