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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
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Hadley, Pamela A.; Rispoli, Matthew; Holt, Janet K.; Papastratakos, Theodora; Hsu, Ning; Kubalanza, Mary; McKenna, Megan M. – Language Learning and Development, 2017
Purpose: The current study used an intervention design to test the hypothesis that parent input sentences with diverse lexical noun phrase (NP) subjects would accelerate growth in children's sentence diversity. Method: Child growth in third person sentence diversity was modeled from 21-30 months (n = 38) in conversational language samples obtained…
Descriptors: Parents, Hypothesis Testing, Control Groups, Toddlers
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Urm, Ada; Tulviste, Tiia – First Language, 2016
The vocabulary size of 16- to 30-month-old children (N = 1235) was assessed using the Estonian adaptation of the MacArthur-Bates Communicative Development Inventory: Words and Sentences (ECDI-II). The relationship between children's expressive vocabulary size and different factors of the child and his/her social environment was examined. Results…
Descriptors: Individual Differences, Toddlers, Vocabulary Development, Gender Differences
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Björn, Piia M.; Kakkuri, Irma; Leppänen, Paavo H. T. – Early Child Development and Care, 2014
This study investigated the potential interrelationship between parental (maternal) and expert assessments of the expressive and receptive language skills of 12- to 18-month-old children. The language activities of 27 children were monitored by their mothers (MCDI scale: Lyytinen, 2000. "Varhaisen kommunikaation ja kielen kehityksen…
Descriptors: Foreign Countries, Toddlers, Expressive Language, Receptive Language