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Baghdadli, Amaria; Assouline, Brigitte; Sonie, Sandrine; Pernon, Eric; Darrou, Celine; Michelon, Cecile; Picot, Marie-Christine; Aussilloux, Charles; Pry, Rene – Journal of Autism and Developmental Disorders, 2012
This study examines change in 152 children over an almost 10-year period (T1: 4.9 (plus or minus 1.3) years; T2: 8.1 (plus or minus 1.3) years; T3: 15(plus or minus 1.6) years) using a group-based, semi-parametric method in order to identify distinct developmental trajectories. Important deficits remain at adolescence in the adaptive abilities of…
Descriptors: Early Intervention, Autism, Multivariate Analysis, Language Skills
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Didden, Robert; Sigafoos, Jeff; Korzilius, Hubert; Baas, Astrid; Lancioni, Giulio E.; O'Reilly, Mark F.; Curfs, Leopold M. G. – Journal of Applied Research in Intellectual Disabilities, 2009
There are only a few studies that have attempted to systematically document the communicative forms and functions in the repertoires of individuals with Angelman syndrome (AS). In the present study, we sent the "Inventory of Potential Communicative Acts" (IPCA) (Sigafoos et al. 2000a,b) to 136 families of children with AS. The IPCA aims to provide…
Descriptors: Mental Retardation, Genetics, Disabilities, Interpersonal Communication