Environmental moderators of genetic influence on verbal and nonverbal abilities in early childhood

K  Asbury; T D  Wachs; R  Plomin

doi:10.1016/j.intell.2005.03.008

Environmental moderators of genetic influence on verbal and nonverbal abilities in early childhood

K Asbury, T D Wachs, R Plomin

Education

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Abstract

The study of genotype-environment interaction (G X E) has been dominated by two competing hypotheses, one that heritability is greater in high-risk environments (diathesis-stress) and the other that heritability is greater in permissive environments. The current study examined relationships between verbal and nonverbal abilities and 10 measured environments, using a sample of 4-year-old same-sex twins (N=4446 children). Significant G X E emerged for verbal ability with three of the environmental indices, all in the direction of the diathesis-stress model (family chaos, instructive parent-child communication and informal parent-child communication). No significant G x E emerged for nonverbal ability. We conclude that G X E exists for verbal ability in early childhood and tends to be in the direction of greater heritability in high-risk environments. (c) 2005 Published by Elsevier Inc.

Original language	English
Pages (from-to)	643-661
Number of pages	19
Journal	Intelligence
Volume	33
Issue number	6
DOIs	https://doi.org/10.1016/j.intell.2005.03.008
Publication status	Published - 2005

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10.1016/j.intell.2005.03.008

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title = "Environmental moderators of genetic influence on verbal and nonverbal abilities in early childhood",

abstract = "The study of genotype-environment interaction (G X E) has been dominated by two competing hypotheses, one that heritability is greater in high-risk environments (diathesis-stress) and the other that heritability is greater in permissive environments. The current study examined relationships between verbal and nonverbal abilities and 10 measured environments, using a sample of 4-year-old same-sex twins (N=4446 children). Significant G X E emerged for verbal ability with three of the environmental indices, all in the direction of the diathesis-stress model (family chaos, instructive parent-child communication and informal parent-child communication). No significant G x E emerged for nonverbal ability. We conclude that G X E exists for verbal ability in early childhood and tends to be in the direction of greater heritability in high-risk environments. (c) 2005 Published by Elsevier Inc.",

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AU - Asbury, K

AU - Wachs, T D

AU - Plomin, R

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AB - The study of genotype-environment interaction (G X E) has been dominated by two competing hypotheses, one that heritability is greater in high-risk environments (diathesis-stress) and the other that heritability is greater in permissive environments. The current study examined relationships between verbal and nonverbal abilities and 10 measured environments, using a sample of 4-year-old same-sex twins (N=4446 children). Significant G X E emerged for verbal ability with three of the environmental indices, all in the direction of the diathesis-stress model (family chaos, instructive parent-child communication and informal parent-child communication). No significant G x E emerged for nonverbal ability. We conclude that G X E exists for verbal ability in early childhood and tends to be in the direction of greater heritability in high-risk environments. (c) 2005 Published by Elsevier Inc.

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DO - 10.1016/j.intell.2005.03.008

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