心理学研究
Online ISSN : 1884-1082
Print ISSN : 0021-5236
原著
性役割パーソナリティ(BSRI)の個人差に及ぼす遺伝的性差・環境的性差
佐々木 掌子山形 伸二敷島 千鶴尾崎 幸謙安藤 寿康
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ジャーナル フリー

2009 年 80 巻 4 号 p. 330-338

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This study investigated the possible effects of genetic and environmental gender differences in effect on individual differences by using the Bem Sex Role Inventory (BSRI) with twins. A sex/gender-limitation analysis, a behavior genetics methodology was used to the following: (a) effects of gender-specific genes, (b) gender differences in quantitative genetic effects, (c) effects of gender-specific shared environment, (d) gender differences of quantitative shared environment, and (e) gender differences of quantitative nonshared environment. Participants were adolescent and adult twins, including 111 identical male pairs, 241 identical female pairs, 36 fraternal male pairs, 65 fraternal female pairs, and 58 opposite-gender pairs. The results indicated that although masculinity and femininity were explained by genetic factors to some extent, there were no significant gender differences in the genetic factors. Moreover, because our data did not support a model which explained gender differences in the effects of specific common environment factors, no evidence was found to support the prenatal hormonal hypothesis or the existence of parenting which encouraged children's gender role personality.

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© 2009 公益社団法人 日本心理学会
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