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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
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Pérez-Pereira, Miguel; Cruz, Raquel – First Language, 2018
The vocabulary size and composition of one group of full-term and three groups of low risk preterm children with different gestational ages (GA) were longitudinally compared at 10, 22 and 30 months of age. Expressive vocabulary development was assessed through the CDI. Cognitive development was also assessed at 22 months (Batelle Developmental…
Descriptors: Longitudinal Studies, Vocabulary Development, Biomedicine, Gender Differences
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Uljarevic, Mirko; Arnott, Bronia; Carrington, Sarah J.; Meins, Elizabeth; Fernyhough, Charles; McConachie, Helen; Le Couteur, Ann; Leekam, Susan R. – Developmental Psychology, 2017
A community sample of 192 parents reported on their children's restricted and repetitive behaviors (RRBs) at mean ages 15 months (N = 138), 26 months (N = 191), and 77 months (N = 125) using the Repetitive Behavior Questionnaire-2 (RBQ-2). Consistent with previous factor analytic research, 2 factors were found at each age: 1 comprising repetitive…
Descriptors: Age Differences, Child Development, Toddlers, Young Children