Article
Genetic change and continuity from fourteen to twenty months: the MacArthur Longitudinal Twin Study.
Child development - 1 Oct 1993
Plomin R, Emde R N, Braungart J M, Campos J, Corley R, Fulker D W, Kagan J, Reznick J S, Robinson J, Zahn-Waxler C
Abstract excerpt
Genetic change as well as continuity was investigated within the domains of temperament, emotion, and cognition/language for 200 pairs of twins assessed at 14 and 20 months of age in the laboratory and home. The second year of life is marked by change rather than continuity: correlations from 14 to 20 months averaged about .30 for observational measures of temperament and emotion, about .40 for language measures,...
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