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The Validity of Perceptual Deficit Explanations of Reading Disability: A Reply to Fletcher and Satz.
Peer reviewedVellutino, Frank R. – Journal of Learning Disabilities, 1979
In the article the author refutes J. Fletcher and P. Satz's analysis of the etiology of reading disability on logical, theoretical, and empirical grounds. (Author/PHR)
Descriptors: Etiology, Exceptional Child Research, Hypothesis Testing, Learning Disabilities
Peer reviewedFletcher, Jack M.; Satz, Paul – Journal of Learning Disabilities, 1979
In the rejoinder the authors describe the methodological and interpretive factors in the Vellutino et al, experiments which limited the degree to which the studies refuted perceptual deficit hypotheses of reading disability. Note: for more of the interchange see EC 114 687-688. (Author/PHR)
Descriptors: Etiology, Exceptional Child Research, Hypothesis Testing, Learning Disabilities
Peer reviewedFletcher, Jack M.; Satz, Paul – Journal of Learning Disabilities, 1979
The paper evaluates the empirical and theoretical basis upon which several recent studies reject the hypothesis of a visual-perceptual deficit in reading disabilities. (Author)
Descriptors: Definitions, Etiology, Exceptional Child Research, Hypothesis Testing
