Differential heritability across levels of cognitive ability

S. S. Cherny; L. R. Cardon; D. W. Fulker; J. C. DeFries

doi:10.1007/BF01066994

Differential heritability across levels of cognitive ability

S. S. Cherny^*, L. R. Cardon, D. W. Fulker, J. C. DeFries

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

Differences in heritability and shared environmentality across levels of cognitive ability were assessed in a sample of 264 twin pairs tested at 1 year of age and in subsets tested at 2 and 3 years. Using an extension of the DF multiple regression methodology for analyzing twin data, no evidence was found for a linear or quadratic effect of level of cognitive ability on estimates of heritability or shared environmentality.

Original language	English
Pages (from-to)	153-162
Number of pages	10
Journal	Behavior Genetics
Volume	22
Issue number	2
DOIs	https://doi.org/10.1007/BF01066994
State	Published - Mar 1992
Externally published	Yes

Keywords

cognitive ability
differential heritability
differential shared environmentality
twins

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10.1007/BF01066994

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abstract = "Differences in heritability and shared environmentality across levels of cognitive ability were assessed in a sample of 264 twin pairs tested at 1 year of age and in subsets tested at 2 and 3 years. Using an extension of the DF multiple regression methodology for analyzing twin data, no evidence was found for a linear or quadratic effect of level of cognitive ability on estimates of heritability or shared environmentality.",

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Differential heritability across levels of cognitive ability

Abstract

Keywords

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