标题:401 親子関係と幼児の攻撃行動 (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 : 10. 親子関係・家族関係) [in Japanese] 401. Parent-child relationship and aggressive behavior of preschool children. (TITLE OF PAPERS AND THE SUMMARIES OF DISCUSSIONS : 10. Family and parents-child relationships) [in Japanese]