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Hadley, Pamela A.; Rispoli, Matthew; Hsu, Ning – Language, Speech, and Hearing Services in Schools, 2016
Purpose: The goals of this study were to quantify longitudinal expectations for verb lexicon growth and to determine whether verb lexicon measures were better predictors of later grammatical outcomes than noun lexicon measures. Method: Longitudinal parent-report measures from the MacArthur-Bates Communicative Development Inventory (Fenson et al.,…
Descriptors: Toddlers, Verbs, Vocabulary, Grammar