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Francis,David J; Fletcher,Jack M.; Stuebing,Karla K.; Lyon,G. Reid; Shaywitz,Bennett A; Shaywitz,Sally E. – Journal of Learning Disabilities, 2005
Simulated data were used to demonstrate that groups formed by imposing cut-points based on either discrepancy or low-achievement definitions of learning disabilities (LD) are unstable over time. Similar problems were demonstrated in longitudinal data from the Connecticut Longitudinal Study, where 39% of the children designated as having LD in…
Descriptors: Individual Testing, Low Achievement, Grade 5, Grade 3
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Mazzocco, Michele M. M.; Thompson, Richard E. – Learning Disabilities Research and Practice, 2005
The aim of the present study was to address how to effectively predict mathematics learning disability (MLD). Specifically, we addressed whether cognitive data obtained during kindergarten can effectively predict which children will have MLD in third grade, whether an abbreviated test battery could be as effective as a standard psychoeducational…
Descriptors: Psychoeducational Methods, Individual Testing, Grade 2, Grade 3