Exposure and feedback in language acquisition: adult construals of children's early verb-form use in Hebrew.

This study focuses on adult responses to children's verb uses, the information they provide, and how they change over time. We analyzed longitudinal samples from four children acquiring Hebrew (age-range: 1;4-2;5; child verb-forms = 8,337). All child verbs were coded for inflectional category, and for whether and how adults responded to them. Our findings show that: (a) children's early verbs were opaque with no clear inflectional target (e.g., the child-form tapes corresponds to letapes 'to-climb', metapes 'is-climbing', yetapes 'will-climb'), with inflections added gradually; (b) most early verbs were followed by adult responses using the same lexeme; and (c) as opacity in children's verbs decreased, adults made fewer uses of the same lexeme in their responses, and produced a broader arr...

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