标题：508,509 親子関係における階層差(4)(5) : 幼児期の発達課題達成への母親の働きかけの階層差(13.社会・文化(2),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] 508,509 Social-class differences in parent-child relationships (4) (5)(13.Society and culture (2),PROCEEDINGS OF THE FIFTH ANNUAL CONVENTION OF JAPANESE ASSOCIATION OF EDUCATIONAL PSYCHOLOGY PAPERS AND THE SUMMARIES OF DISCUSSIONS) [in Japanese]
