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Abstract
Both the input directed to the child, and the child’s ability to process that input, are likely to impact the child’s language acquisition. We explore how these factors inter-relate by tracking the relationships among: (a) lexical properties of maternal child-directed speech to prelinguistic (7-month-old) infants (N = 121); (b) these infants' abilities to segment lexical targets from conversational child-directed utterances in an experimental paradigm; and © the children’s vocabulary outcomes at age 2;0. Both repetitiveness in maternal input and the child’s speech segmentation skills at age 0;7 predicted language outcomes at 2;0; moreover, while these factors were somewhat inter-related, they each had independent effects on toddler vocabulary skill, and there was no interaction between the two.
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Concepts
Skill, Developmental biology, Vocabulary, Language, Speech, Speech repetition, Linguistics, Infant
MeSH headings
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