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Longitudinal Effects on Adolescent Language (Harlaar et al., 2016) ...
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Abstract:
Purpose: We evaluated genetic and environmental contributions to individual differences in language skills during early adolescence, measured by both language sampling and standardized tests, and examined the extent to which these genetic and environmental effects are stable across time. Method: We used structural equation modeling on latent factors to estimate additive genetic, shared environmental, and nonshared environmental effects on variance in standardized language skills (i.e., Formal Language) and productive language-sample measures (i.e., Productive Language) in a sample of 527 twins across 3 time points (mean ages 10–12 years). Results: Individual differences in the Formal Language factor were influenced primarily by genetic factors at each age, whereas individual differences in the Productive Language factor were primarily due to nonshared environmental influences. For the Formal Language factor, the stability of genetic effects was high across all 3 time points. For the Productive Language ...
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Keyword:
Child language acquisition
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URL: https://asha.figshare.com/articles/journal_contribution/Longitudinal_Effects_on_Adolescent_Language_Harlaar_et_al_2016_/14963922 https://dx.doi.org/10.23641/asha.14963922
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Longitudinal Effects on Adolescent Language (Harlaar et al., 2016) ...
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The genetic architecture of oral language, reading fluency, and reading comprehension : A twin study from 7 to 16 years
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The Genetic Architecture of Oral Language, Reading Fluency, and Reading Comprehension: A Twin Study From 7 to 16 Years
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Details of Genomewide Association Results, Protocol, Statistical Analysis, and Additional References (Harlaar et al., 2014) ...
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Details of Genomewide Association Results, Protocol, Statistical Analysis, and Additional References (Harlaar et al., 2014) ...
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Genome-Wide Association Study of Receptive Language Ability of 12-Year-Olds
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The high heritability of educational achievement reflects many genetically influenced traits, not just intelligence
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Genome-wide association study of receptive language ability of 12-year-olds
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Genome-wide association study of receptive language ability of 12-year-olds
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Predicting individual differences in reading comprehension: a twin study
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