标题:303 成人特性の発達(6.人格(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] 303 Development of adult traits(6.Personality (1),PROCEEDINGS OF THE FIFTH ANNUAL CONVENTION OF JAPANESE ASSOCIATION OF EDUCATIONAL PSYCHOLOGY PAPERS AND THE SUMMARIES OF DISCUSSIONS) [in Japanese]