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O'Brien, Beth A.; Wolf, Maryanne; Lovett, Maureen W. – Dyslexia, 2012
Long-standing issues with the conceptualization, identification and subtyping of developmental dyslexia persist. This study takes an alternative approach to examine the heterogeneity of developmental dyslexia using taxometric classification techniques. These methods were used with a large sample of 671 children ages 6-8 who were diagnosed with…
Descriptors: Dyslexia, Reading Difficulties, Reading Fluency, Symptoms (Individual Disorders)
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Delgado, Christine E. F. – Education and Training in Developmental Disabilities, 2009
Special education outcomes were evaluated for 3,608 children (2,513 males) with a preschool history of developmental disability. Sixty-six percent of the children had an identified disability in fourth grade. The percentage of children with a disability at outcome varied across preschool disability categories from 54% to 96%. The consistency of…
Descriptors: Early Intervention, Emotional Disturbances, Learning Disabilities, Language Impairments
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Tomanik, Stacey S.; Pearson, Deborah A.; Loveland, Katherine A.; Lane, David M.; Shaw, J. Bryant – Journal of Autism and Developmental Disorders, 2007
The classification agreement of the Autism Diagnostic Interview-Revised (ADI-R) and the Autism Diagnostic Observation Schedule (ADOS) was examined in 129 children and adolescents (aged 7-18 years) who were evaluated for autism. Participants received a diagnosis of autism or non-autism based on the ADI-R. Linear discriminant analysis revealed…
Descriptors: Adjustment (to Environment), Discriminant Analysis, Classification, Autism