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Talking to Children Matters

2013/09/10 by Adriana Weisleder, Anne Fernald · 39 citations
Psychology · #Child and Animal Learning Development #Language Development and Disorders #Reading and Literacy Development

paper · doi:10.1177/0956797613488145

openalex publication_date 2013/09/10 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/30

Abstract

Infants differ substantially in their rates of language growth, and slow growth predicts later academic difficulties. In this study, we explored how the amount of speech directed to infants in Spanish-speaking families low in socioeconomic status influenced the development of children's skill in real-time language processing and vocabulary learning. All-day recordings of parent-infant interactions at home revealed striking variability among families in how much speech caregivers addressed to their child. Infants who experienced more child-directed speech became more efficient in processing familiar words in real time and had larger expressive vocabularies by the age of 24 months, although speech simply overheard by the child was unrelated to vocabulary outcomes. Mediation analyses showed that the effect of child-directed speech on expressive vocabulary was explained by infants' language-processing efficiency, which suggests that richer language experience strengthens processing skills that facilitate language growth.

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