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Tasse, Marc J.; Luckasson, Ruth; Nygren, Margaret – Intellectual and Developmental Disabilities, 2013
The World Health Organization (WHO) is in the process of seeking input from professional stakeholder groups and consumers regarding the draft proposals of the 11th edition of the "International Classification of Diseases" ("ICD-11"). The American Association on Intellectual and Developmental Disabilities (AAIDD) convened a small group of…
Descriptors: Mental Retardation, Definitions, Clinical Diagnosis, Guidelines
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Schalock, Robert L.; Luckasson, Ruth – Intellectual and Developmental Disabilities, 2013
This article focuses on the power of naming, defining, diagnosing, classifying, and planning supports for people with intellectual disability. The article summarizes current thinking regarding these five functions, states the essential question addressed by the respective function, and provides an overview of the high stakes involved for people…
Descriptors: Mental Retardation, Naming, Classification, Definitions
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Luckasson, Ruth; Schalock, Robert L. – Intellectual and Developmental Disabilities, 2013
This article focuses on recommendations for naming, defining, diagnosing, classifying, and planning supports for individuals with intellectual disability (ID). The article provides an overview of the essential questions addressed by the respective functions and provides a series of specific recommendations that address the high stakes involved for…
Descriptors: Mental Retardation, Naming, Definitions, Clinical Diagnosis
Schalock, Robert L.; Borthwick-Duffy, Sharon A.; Bradley, Valerie J.; Buntinx, Wil H. E.; Coulter, David L.; Craig, Ellis M.; Gomez, Sharon C.; Lachapelle, Yves; Luckasson, Ruth; Reeve, Alya; Shogren, Karrie A.; Snell, Martha E.; Spreat, Scott; Tasse, Marc J.; Thompson, James R.; Verdugo-Alonso, Miguel A.; Wehmeyer, Michael L.; Yeager, Mark H. – American Association on Intellectual and Developmental Disabilities, 2010
This Manual contains the most current and authoritative information and knowledge on intellectual disability, including best practice guidelines on diagnosing and classifying intellectual disability and developing a system of supports for people living with an intellectual disability. Written by a committee of 18 experts, "Intellectual…
Descriptors: Mental Retardation, Developmental Disabilities, Classification, Definitions
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Luckasson, Ruth; Reeve, Alya – Mental Retardation, 2001
This article examines recent discussion about changing the term "mental retardation" within the broader framework of three distinct processes: naming (terminology), defining, and classifying. The current status of each process is described, especially as represented in the 1992 American Association on Mental Retardation manual. Guiding…
Descriptors: Change Strategies, Classification, Definitions, Mental Retardation
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Luckasson, Ruth; And Others – Mental Retardation, 1996
This paper responds to criticisms concerning the applicability of the 1992 American Association on Mental Retardation definition of mental retardation to preschool children. Criticisms focusing on the elimination of classification levels, limited relevance of adaptive behavior areas, and difficulties delineating kinds and intensities of supports…
Descriptors: Adaptive Behavior (of Disabled), Classification, Definitions, Grouping (Instructional Purposes)
Luckasson, Ruth; Borthwick-Duffy, Sharon; Buntinx, Wil H. E.; Coulter, David L.; Craig, Ellis M.; Reeve, Alya; Schalock, Robert L.; Snell, Martha E.; Spitalnik, Deborah M.; Spreat, Scott; Tasse, Marc J. – 2002
This manual, the 10th edition of a regularly published definition and classification work on mental retardation, presents five key assumptions upon which the definition of mental retardation is based and a theoretical model of five essential dimensions that explain mental retardation and how to use the companion system. These dimensions include…
Descriptors: Classification, Clinical Diagnosis, Definitions, Disability Identification