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Talking to Children Matters: Early Language Experience Strengthens Processing and Builds Vocabulary

Weisleder, A. & Fernald, A. (2013). Talking to children matters: Early language experience strengthens processing and builds vocabulary. Psychological Science, November 2013 24: 2143-2152.

In this study, researchers 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. Results showed that children who had experienced more child-directed speech were more efficient at processing language. The analyses revealed a cascade of effects — those toddlers who heard more child-directed talk became faster and more reliable in interpreting speech, and it was their superior skill in processing language that then increased their success in vocabulary learning. An important finding was that even within a low-SES group there were substantial differences among parents in verbal engagement with their children and in children's language outcomes.

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