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Peer reviewedDionne, Ginette; Tremblay, Richard; Boivin, Michel; Laplante, David; Perusse, Daniel – Developmental Psychology, 2003
Used a genetic design to investigate association between physical aggression and language development in 19-month-old twins. Found a modest but significant correlation between aggression and expressive vocabulary. Substantial heritability was found for physical aggression. Quantitative genetic modeling suggested that the correlation could not be…
Descriptors: Aggression, Correlation, Expressive Language, Genetics
