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Rufsvold, Ronda; Wang, Ye; Hartman, Maria C.; Arora, Sonia B.; Smolen, Elaine R. – American Annals of the Deaf, 2018
The researchers investigated the effects of adult language input on the quantity of language, vocabulary development, and understanding of basic concepts of deaf and hard of hearing (DHH) children who used listening and spoken language. Using audio recording and Language ENvironment Analysis (LENA) software, the study involved 30 preschool DHH…
Descriptors: Deafness, Hearing Impairments, Preschool Children, Vocabulary Development
Fazio, Barbara B.; And Others – American Journal on Mental Retardation, 1993
This study with 12 elementary school children with mild mental retardationship found that the relation between lexical knowledge and mental age depended upon the nature of the vocabulary test. Results suggested that mental age in this population was more strongly related to knowledge of abstract relational terms than to knowledge of labels for…
Descriptors: Abstract Reasoning, Concept Formation, Elementary Education, Intelligence