Multivariate path analysis of specific cognitive abilities in the Colorado Adoption Project: Conditional path model of assortative mating

Treva Rice, Gregory Carey, D. W. Fulker, J. C. DeFries

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

A multivariate path model of genetic and environmental transmission employing a conditional path representation of assortative mating was fitted to specific cognitive abilities data from the Colorado Adoption Project and evaluated using a maximum-likelihood estimation procedure. In agreement with results obtained from a previous analysis of a smaller data set, significant genetic covariation among the cognitive variables was indicated and evidence for a general genetic factor was found. However, cultural transmission parameters are nonsignificant and environmental correlations among the measures are relatively small.

Original languageEnglish
Pages (from-to)195-207
Number of pages13
JournalBehavior genetics
Volume19
Issue number2
DOIs
StatePublished - Mar 1989

Keywords

  • adoption
  • assortment
  • cognition
  • conditional path
  • multivariate

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