Fletcher, J M The validity of discrepancy-based definitions of reading disabilities. [electronic resource] - Journal of learning disabilities Nov 1992 - 555-61, 573 p. digital Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. ISSN: 0022-2194 Standard No.: 10.1177/002221949202500903 doi Subjects--Topical Terms: AchievementAdolescentChildDyslexia--classificationFemaleHumansIntelligenceMaleNeuropsychological TestsPhoneticsSpeech PerceptionWechsler Scales