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Gómez Vera, Gabriela; Sotomayor, Carmen; Bedwell, Percy; Domínguez, Ana María; Jéldrez, Elvira – Reading and Writing: An Interdisciplinary Journal, 2016
Few studies have addressed vocabulary quality in developing writing skill in Spanish. Even less addressed it within the Chilean educational system. The specific objective of this study was to characterize, using a comprehensive set of indicators, the quality of the vocabulary produced by Chilean 4th grade students. Based on a national writing…
Descriptors: Foreign Countries, Elementary School Students, Grade 4, Vocabulary
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Rice, Mabel L.; Zubrick, Stephen R.; Taylor, Catherine L.; Gayán, Javier; Bontempo, Daniel E. – Journal of Speech, Language, and Hearing Research, 2014
Purpose: This study investigated the etiology of late language emergence (LLE) in 24-month-old twins, considering possible twinning, zygosity, gender, and heritability effects for vocabulary and grammar phenotypes. Method: A population-based sample of 473 twin pairs participated. Multilevel modeling estimated means and variances of vocabulary and…
Descriptors: Twins, Toddlers, Genetics, Risk
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McGregor, Karla K.; Oleson, Jacob; Bahnsen, Alison; Duff, Dawna – International Journal of Language & Communication Disorders, 2013
Background: Deficient vocabulary is a frequently reported symptom of developmental language impairment, but the nature of the deficit and its developmental course are not well documented. Aims: To describe the nature of the deficit in terms of breadth and depth of vocabulary knowledge and to determine whether the nature and the extent of the…
Descriptors: Language Impairments, Vocabulary, Grade 2, Grade 4