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Borsuk, Ellen R.; Watkins, Marley W.; Canivez, Gary L. – Journal of Psychoeducational Assessment, 2006
Although often applied in practice, clinically based cognitive subtest profile analysis has failed to achieve empirical support. Nonlinear multivariate subtest profile analysis may have benefits over clinically based techniques, but the psychometric properties of these methods must be studied prior to their implementation and interpretation. The…
Descriptors: Intelligence Tests, Classification, Profiles, Multivariate Analysis
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King, Wayne M.; Giess, Sally A.; Lombardino, Linda J. – International Journal of Language & Communication Disorders, 2007
Background: The marked degree of heterogeneity in persons with developmental dyslexia has motivated the investigation of possible subtypes. Attempts have proceeded both from theoretical models of reading and the application of unsupervised learning (clustering) methods. Previous cluster analyses of data obtained from persons with reading…
Descriptors: Statistical Analysis, Reading Difficulties, Models, Databases