A cross-sectional behavioral genetic analysis of task persistence in the transition to middle childhood

被引：18

作者：

Deater-Deckard, K ^{[1
]}

Petrill, SA

Thompson, LA

DeThorne, LS

机构：

[1] Univ Oregon, Dept Psychol, Eugene, OR 97403 USA

[2] Penn State Univ, Ctr Dev & Hlth Genet, University Pk, PA 16802 USA

[3] Penn State Univ, Dept Biobehav Hlth, University Pk, PA 16802 USA

[4] Case Western Reserve Univ, Dept Psychol, Cleveland, OH 44106 USA

[5] Penn State Univ, Dept Commun Disorders, University Pk, PA 16802 USA

来源：

DEVELOPMENTAL SCIENCE | 2005年 / 8卷 / 03期

关键词：

D O I：

10.1111/j.1467-7687.2005.00407.x

中图分类号：

B844 [发展心理学（人类心理学）];

学科分类号：

040202 ;

摘要：

Task persistence, measured by a composite score of independent teacher, tester and observer reports, was examined using behavioral genetic analysis. Participants included 92 monozygotic and 137 same-sex dizygotic twin pairs in Kindergarten or 1st grade (4.3 to 7.9 rears old). Task persistence was widely distributed, higher among older children, positively associated with standardized tests of cognitive performance and achievement, and negatively associated with parents', teachers' and observers' reports of behavioral problems. Cross-sectional analysis indicated a strong development shift from shared enivironment varience among younger children to additive genetic variance in older children.

引用

页码：F21 / F26

页数：6

共 21 条

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