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Kover, S. T.; Abbeduto, L. – Journal of Intellectual Disability Research, 2010
Background: Approximately one-quarter of individuals with fragile X syndrome (FXS) meet diagnostic criteria for autism; however, it is unclear whether individuals with comorbid FXS and autism are simply more severely affected than their peers with only FXS or whether they have qualitatively different profiles of behavioural impairments. To address…
Descriptors: Genetic Disorders, Symptoms (Individual Disorders), Comparative Analysis, Males
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Streim, Nancy W.; Chapman, Robin S. – Applied Psycholinguistics, 1987
When lexical availability was manipulated through discourse support and word frequency for 40 target nouns, measurement of effects on length, complexity, order of mention, and fluency of 4- to 8-year-olds' utterances showed that the number and length of responses containing the target word varied with age, word frequency, and discourse support…
Descriptors: Child Language, Comparative Analysis, Discourse Analysis, Language Acquisition