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Howlin, Patricia; Elison, Sarah; Udwin, Orlee; Stinton, Christopher – Journal of Applied Research in Intellectual Disabilities, 2010
Background: Little is known about trajectories of cognitive functioning as individuals with Williams syndrome (WS) move though adulthood. Method: The present study investigated cognitive, linguistic and adaptive functioning in adults with WS aged 19-55 years, using both cross-sectional and longitudinal approaches. Results: Data from the…
Descriptors: Comprehension, Mental Retardation, Linguistics, Intelligence Quotient
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Tyrer, Freya; McGrother, Catherine W.; Thorp, Catherine F.; Taub, Nicholas A.; Bhaumik, Sabyasachi; Cicchetti, Domenic V. – Journal of Applied Research in Intellectual Disabilities, 2008
Background: It is often useful to ascertain whether adults have moderate to profound intellectual disability (approximate IQ less than 50; developmental age less than 108 months) when deciding whether to refer to specialist or mainstream services. The aim of the present study was to develop a simple measure to estimate moderate to profound…
Descriptors: Moderate Mental Retardation, Severe Mental Retardation, Measures (Individuals), Adults