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Differentiating between Two Groups That Fail in School: Performance of Learning Disabled and Mildly Retarded Students on Oddity Problems.
Peer reviewed Peer reviewed
Scott, Marcia S.; And Others – Learning Disabilities Research and Practice, 1991
Normally achieving, learning-disabled and mildly retarded students (n=148, ages 6-9) were trained to select the odd picture of a 3-picture array. Mildly retarded subjects showed large, consistent performance differences from the other groups, but learning-disabled subjects could not effectively be distinguished from normally achieving peers.…
Descriptors: Classification, Comparative Analysis, Educational Diagnosis, Elementary Education
Orthographic Dyslexia: The Neglected Subtype.
Peer reviewed Peer reviewed
Roberts, Rhia; Mather, Nancy – Learning Disabilities Research and Practice, 1997
A review and comparison of two subtypes of dyslexia, phonologic and orthographic, identifies characteristics and assessment concerns and offers two case studies to demonstrate the impact of orthographic dyslexia on the development of literacy skills. The article concludes that the needs of individuals with orthographic dyslexia must not be…
Descriptors: Case Studies, Classification, Dyslexia, Educational Diagnosis
Test Selection Efficacy in the Diagnostic Confirmation and Subtyping of Children with Dyslexia.
Peer reviewed Peer reviewed
Ackerman, Peggy T.; And Others – Learning Disabilities Research and Practice, 1992
Forty children (ages 9-12) identified as having dyslexia on the basis of intelligence and achievement tests were evaluated. Results imply that a test of phonological sensitivity and another of nonsense word decoding identified children who were dysphonetic. Nondysphonetic disabled readers were older and had higher verbal intelligence quotients…
Descriptors: Achievement Tests, Age Differences, Classification, Decoding (Reading)