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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