Genetic factor analysis for twins and non-twins: An application to Yatabe-Guilford personality inventory data

Hideki Toyoda, Yukimasa Muraishi

研究成果: Article査読

1 被引用数 (Scopus)

抄録

A genetic factor model for analyzing twin and non-twin data simultaneously, which is one of the structural equation model, is examined in a study of Yatabe-Guilford (Y-G) personality inventory. The sample analyzed by this method includes 187 monozygotic (MZ) twin pairs, 43 dizygotic (DZ) twin pairs and 1309 non-twins. Non-twin data can be used for stabilizing factor covariance structure. Genetic influences, common environment, and non-shared environment account for 2.5%, 32.5%, and 65.0% of the variance in the factor of adaptability, respectively. They account for 49.8%, 10.3% ,and 39.9% of the variance in the factor of extroversion, respectively. The genetic factor analysis finds evidence of a greater environmental contribution to variance in adaptability than in extroversion.

本文言語English
ページ(範囲)260-261
ページ数2
ジャーナルJapanese Journal of Educational Psychology
46
3
出版ステータスPublished - 1998 12 1
外部発表はい

ASJC Scopus subject areas

  • 教育
  • 発達心理学および教育心理学

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