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The Effects of Maternal Input on Language in the Absence of Genetic Confounds: Vocabulary Development in Internationally Adopted Children
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Coffey, Joseph R.; Shafto, Carissa L.; Geren, Joy C.; Snedeker, Jesse – Child Development, 2022
Previous studies have found correlations between parent input and child language outcomes, providing prima facie evidence for a causal relation. However, this could also reflect the effects of shared genes. The present study removed this genetic confound by measuring English vocabulary growth in 29 preschool-aged children (21 girls) aged…
Descriptors: Mothers, Linguistic Input, Child Language, English