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Ansari, Daniel; Donlan, Chris; Thomas, Michael S.C.; Ewing, Sandra A.; Peen, Tiffany; Kapmiloff-Smith, Annette – Journal of Experimental Child Psychology, 2003
Understanding of the cardinality principle in children with Williams Syndrome (WS) was compared to that of typically developing children. Findings indicated that such understanding was extremely delayed in WS children and only at the level predicted by their visuo-spatial mental age. Findings suggested that visuo-spatial ability played a greater…
Descriptors: Children, Comparative Analysis, Computation, Concept Formation
Parish, Susan L. – Research and Practice for Persons with Severe Disabilities (RPSD), 2005
This paper presents a comparative case study of diverse approaches to deinstitutionalization of developmental disabilities residential services in two Midwestern states. During the 1970s and 1980s, the convergence of leadership by advocates, legislators, and bureaucrats led to Michigan's rapid transformation from an institutional to a…
Descriptors: Normalization (Disabilities), Innovation, Community Services, Developmental Disabilities