PMID: 3769603Oct 1, 1986Paper

Longitudinal stability of cognitive ability from infancy to early childhood: genetic and environmental etiologies

Child Development
M C LaBudaD W Fulker

Abstract

A path model of genetic and shared family environmental transmission was fitted to general cognitive ability data from 1-, 2-, 3-, and 4-year-old adopted and nonadopted children and their parents in order to assess the etiology of longitudinal stability from infancy to early childhood. Stability across years is moderate and is due mainly to influences not predicted by parental IQ. Results of the present study, in conjunction with those of previous twin studies, suggest substantial genetic stability from infancy and early childhood to adulthood.

References

Jan 1, 1984·Annual Review of Genetics·P W Sternberg, H R Horvitz
Nov 1, 1983·The British Journal of Mathematical and Statistical Psychology·D W Fulker, J C DeFries
Apr 1, 1983·Child Development·R Plomin
Apr 1, 1983·Child Development·R Plomin, J C DeFries

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