Article
Common aetiology for diverse language skills in 4 1/2-year-old twins.
Journal of child language - 1 May 2006
Hayiou-Thomas Marianna E, Kovas Yulia, Harlaar Nicole, Plomin Robert, Bishop Dorothy V M, Dale Philip S
Abstract excerpt
Multivariate genetic analysis was used to examine the genetic and environmental aetiology of the interrelationships of diverse linguistic skills. This study used data from a large sample of 4 1/2-year-old twins who were tested on measures assessing articulation, phonology, grammar, vocabulary, and verbal memory. Phenotypic analysis suggested two latent factors: articulation (2 measures) and general language (the...
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