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Hallahan, Daniel P.; Keller, Clayton E.; Martinez, Elizabeth A.; Byrd, E. Stephen; Gelman, Jennifer A.; Fan, Xitao – Exceptional Children, 2007
This study compared interstate variability of prevalence rates for special education categories from 1984 to 1985 through 2001 to 2002, using the coefficient of variation (CV), which is designed to compare variances when the means of the groups compared are radically different. The category of learning disabilities, presumed by many to be the most…
Descriptors: Learning Disabilities, Hearing Impairments, Language Impairments, Speech Impairments
White, Karl R.; And Others – 1996
This report describes a project in Utah to investigate the feasibility of using transient evoked otoacoustic emissions (TEOAE) as a tool for screening for hearing loss in children with developmental disabilities (DD). Study participants included 336 students (ages 5 to 7) with no identified DD and 765 students (ages 3 to 7) with one or more DD.…
Descriptors: Audiology, Auditory Evaluation, Clinical Diagnosis, Developmental Disabilities
Columbia Univ., New York, NY. National Center on Addiction and Substance Abuse. – 2000
This paper was developed as a result of a 1999 conference on substance abuse and learning disabilities. An introductory chapter urges early identification of learning disabilities and appropriate treatment for both problems when they co-exist. The second chapter discusses the differences between learning disabilities and behavioral disorders, the…
Descriptors: Adolescents, Alcoholism, Behavior Disorders, Children