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Poletti, Michele; Carretta, Elisa; Bonvicini, Laura; Giorgi-Rossi, Paolo – Journal of Learning Disabilities, 2018
The heterogeneity among children with learning disabilities still represents a barrier and a challenge in their conceptualization. Although a dimensional approach has been gaining support, the categorical approach is still the most adopted, as in the recent fifth edition of the "Diagnostic and Statistical Manual of Mental Disorders." The…
Descriptors: Cognitive Development, Cluster Grouping, Learning Disabilities, Identification
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Arffa, Sharon; And Others – Journal of Learning Disabilities, 1989
This study sought to identify clusters or subtypes of children with learning disabilities (LD, n=24) and brain damage (BD, n=36) using a neuropsychological battery. Five clusters were determined, but no one cluster was composed exclusively of LD or BD subjects. Significant qualitative and quantitative differences between clusters were found.…
Descriptors: Cluster Grouping, Labeling (of Persons), Learning Disabilities, Neurological Impairments