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Direct linkBrock, Jon; Jarrold, Christopher; Farran, Emily K.; Laws, Glynis; Riby, Deborah M. – Clinical Linguistics & Phonetics, 2007
The comparison of cognitive and linguistic skills in individuals with developmental disorders is fraught with methodological and psychometric difficulties. In this paper, we illustrate some of these issues by comparing the receptive vocabulary knowledge and non-verbal reasoning abilities of 41 children with Williams syndrome, a genetic disorder in…
Descriptors: Developmental Disabilities, Vocabulary Skills, Receptive Language, Cognitive Ability
Brock, Jon; Jarrold, Christopher – Journal of Child Psychology and Psychiatry, 2005
Background: Individuals with Down syndrome consistently perform less well than appropriately matched comparison groups on tests of verbal short-term memory, despite performing relatively well on non-verbal short-term memory tasks. However, it is not clear whether these findings constitute evidence for a selective deficit in verbal short-term…
Descriptors: Serial Ordering, Reaction Time, Down Syndrome, Short Term Memory
