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Steacy, Laura M.; Kirby, John R.; Parrila, Rauno; Compton, Donald L. – Scientific Studies of Reading, 2014
The Double Deficit Hypothesis of dyslexia is one approach to classifying students with reading disabilities. The theory offers four distinct groups of readers: (a) average readers, (b) students with phonological deficits, (c) students with naming speed deficits, and (d) students with double deficits: those having both (b) and (c). This study…
Descriptors: Dyslexia, Reading Difficulties, Classification, Symptoms (Individual Disorders)