Shared-environmental contributions to high cognitive ability.

doi:10.1007/s10519-009-9265-0

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Article

Shared-environmental contributions to high cognitive ability.

Behavior genetics - 1 Jul 2009

Kirkpatrick Robert M, McGue Matt, Iacono William G

Abstract excerpt

Using a combined sample of adolescent twins, biological siblings, and adoptive siblings, we estimated and compared the differential shared-environmentality for high cognitive ability and the shared-environmental variance for the full range of ability during adolescence. Estimates obtained via multiple methods were in the neighborhood of 0.20, and suggest a modest effect of the shared environment on both high and...

Topics

Adolescent
Adoption
Child
Child, Gifted
Cohort Studies
Epistasis, Genetic
Family Characteristics
Female
Genotype
Humans
Intelligence
Life Change Events

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

Longitudinal Studies

Male

Minnesota

Models, Genetic

Models, Statistical

Phenotype

Source

Open in PubMed Open full text

Identifiers

PMID: 19377874
DOI: 10.1007/s10519-009-9265-0
PMCID: PMC2751599

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