"Dedifferentiation" represents the merging of the wider "intellectual disability" category with the broader one of "disability" generally; a product of the ascendance of the social model of disability. The recent re-emergence of the significance of impairment and embodiment in disability theory re-establishes the…

This report describes a project that uses existing data sets to describe the population of students with significant cognitive disabilities and known or suspected dual sensory loss. It includes students with suspected dual sensory loss because students with significant cognitive disabilities are reported to have unidentified sensory loss (Erickson…

This study of 182 secondary special education students with emotional and/or behavioral disorders investigated their classification by their school districts, in particular how well they were distinguished and represented by their federal categories. The districts used four classification groups (emotional disturbance, other health impairment…

Background: The purpose of this study is to describe feasibility and test-retest reliability of the six-minute walking distance test (6MWD) and an adapted shuttle run test (aSRT) in persons with severe intellectual and sensory (multiple) disabilities. Materials and Methods: Forty-seven persons with severe multiple disabilities, with Gross Motor…

In India, Acts and legislations are in place for persons with mental retardation. Three major Acts namely Rehabilitation Council of India Act (1992), Persons with Disabilities (Equal opportunities, protection of rights and full participation) Act (1995) and National Trust for welfare of persons with Autism, Cerebral Palsy, Mental retardation and…

This report describes the characteristics of students with disabilities in Utah public schools, and presents the single-year mobility and dropout rates for students in grades 6-12, as well as the four-year cohort dropout and graduation rates, for students who started grade 9 for the first time in 2007/08 and constituted the 2011 cohort. Results…

Using data from the Special Education Elementary Longitudinal Study (SRI International, 2002), this study estimated reading growth trajectories in a nationally representative sample of 3,421 students with disabilities ages 7 to 17 representing 11 federal disability categories. Reading achievement in all disability categories increased with age,…

This is the 32nd Annual Report to Congress on the Implementation of the Individuals with Disabilities Education Act, 2010. Section 664(d) of the Individuals with Disabilities Education Act (IDEA) (P.L. 108-446), as reauthorized in 2004, requires that the Department of Education report annually on the progress made toward the provision of a free…

The prevalence of epilepsy was correlated with the severity and type of encephalopathy of 1,023 individuals with mental retardation. A total of 326 individuals were diagnosed with epilepsy. Results indicated a low percentage of epilepsy in chromosomic-genetic and young adult encephalopathies and a high prevalence when the neurodeficit was…

Distributions of psychiatric classifications among 42,479 persons with mental retardation were reviewed to determine relative rates of disorders for persons with both mental retardation and mental disorder. Analyses indicated that rates of reported schizophrenic and psychotic disorders were generally higher than expected relative to rates of other…

The study sought to determine whether 100 emotionally disturbed, mentally retarded Ss assigned four distinct diagnostic labels could be differentiated from each other on the basis of sex, age, degree of mental impairment, and adaptive behavior. (Author)

Because of the limitations of the traditional approaches to classifying a child's characteristics, a number of authors have proposed to describe children on the basis of a defined set of functional skills or abilities rather than by etiological or deficit category (Bailey et al. (1993); Holt (1957); Linden (1963)). Building on this earlier work,…

A study examined comorbidity of the five federal definition characteristics among 1,352 students already identified as having emotional disturbance (ED). The extent of comorbidity of ED characteristics was related to the criterion for deviance and to each of the selected student variables, particularly school level and educational placement.…

This study examined the validity and internal and interrater reliability of the Wing Subgroups Questionnaire, an assessment that classifies children with autism into subtypes. Subjects were 42 students (ages 5 to 22) enrolled in multihandicapped special education classrooms. Findings support the reliability and validity of the questionnaire for…

This paper discusses the findings from a study that investigated the information processing characteristics of 93 children (ages 8-16) who have been diagnosed as having either attention deficit hyperactivity disorder (ADHD) only, ADHD-Predominately Inattentive Type, and combined ADHD and learning disabilities (LD). Thirty-nine average students,…