Article
Communication profiles of individuals with Down's syndrome, Angelman syndrome and pervasive developmental disorder.
Journal of intellectual disability research : JIDR - 1 Jan 2002
Duker P C, van Driel S, van de Bercken J
Abstract excerpt
The communication profiles of individuals with Down's syndrome (DS), Angelman syndrome (AS) and pervasive developmental disorder (PDD) were investigated and contrasted. Seventy-seven individuals participated in the study. A within-group analysis revealed that those with DS performed better on tacting or labelling and echoing than on manding or requesting. No other effects were found, apart from an absence of...
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