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Peer reviewedShafrir, Uri; Siegel, Linda S. – Journal of Learning Disabilities, 1994
This study found that 331 Toronto (Ontario, Canada) adolescent and adult subjects with learning disabilities could be grouped into three subtypes: (1) arithmetic disability, (2) reading disability, and (3) reading and arithmetic disabilities. Each group differed significantly from the others on tests of reading, spelling, memory, and other…
Descriptors: Arithmetic, Classification, Cognitive Tests, Disability Identification
