Publication Date
| In 2025 | 1 |
| Since 2024 | 1 |
| Since 2021 (last 5 years) | 2 |
| Since 2016 (last 10 years) | 2 |
| Since 2006 (last 20 years) | 12 |
Descriptor
| Classification | 43 |
| Clinical Diagnosis | 43 |
| Definitions | 43 |
| Elementary Secondary Education | 18 |
| Symptoms (Individual… | 16 |
| Disability Identification | 15 |
| Mental Retardation | 14 |
| Children | 9 |
| Learning Disabilities | 9 |
| Eligibility | 7 |
| Adults | 5 |
| More ▼ | |
Source
Author
| Luckasson, Ruth | 5 |
| Schalock, Robert L. | 4 |
| Tasse, Marc J. | 3 |
| Buntinx, Wil H. E. | 2 |
| Coulter, David L. | 2 |
| Craig, Ellis M. | 2 |
| Gillberg, Christopher | 2 |
| Gresham, Frank M. | 2 |
| Polloway, Edward A. | 2 |
| Reeve, Alya | 2 |
| Snell, Martha E. | 2 |
| More ▼ | |
Publication Type
Education Level
| Elementary Secondary Education | 1 |
| Higher Education | 1 |
| Postsecondary Education | 1 |
Audience
| Practitioners | 1 |
Location
| Canada | 1 |
| Mississippi | 1 |
| United Kingdom | 1 |
Laws, Policies, & Programs
| Individuals with Disabilities… | 4 |
Assessments and Surveys
What Works Clearinghouse Rating
Direct linkJoanne Cleland; Sam Burr; Sam Harding; Helen Stringer; Yvonne Wren – International Journal of Language & Communication Disorders, 2025
Background: There is no single classification system or diagnostic protocol for speech sound disorder (SSD). This makes it difficult to collect large-scale outcome data and determine which interventions work best for which subtypes of SSD. The United Kingdom is unique in that its publicly funded healthcare system allows the collection of such…
Descriptors: Foreign Countries, Labeling (of Persons), Clinical Diagnosis, Speech Impairments
Don, Anna; O'Byrne, Patrick – Journal of Intellectual Disabilities, 2022
Children with intellectual disability experience a higher prevalence of dental disease, obesity, challenging behaviours, and mental health disorders compared to children without intellectual disability. Children with intellectual disability concurrently face health and social service navigational barriers that are associated with unresolved health…
Descriptors: Intellectual Disability, Incidence, Child Health, Behavior Problems
Jacobs, David H. – Research on Social Work Practice, 2014
"Diagnostic and Statistical Manual of Mental Disorders, fifth edition" ("DSM-5") promises a refined definition of mental disorder, which is tantamount to acknowledging that prior "DSM" definitions have failed to clarify what mental disorder is and why a person should be considered mentally disordered. Since the…
Descriptors: Mental Disorders, Clinical Diagnosis, Definitions, Psychopathology
AAIDD Proposed Recommendations for "ICD-11" and the Condition Previously Known as Mental Retardation
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
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
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
Papazoglou, Aimilia; Jacobson, Lisa A.; McCabe, Marie; Kaufmann, Walter; Zabel, T. Andrew – Intellectual and Developmental Disabilities, 2014
The "Diagnostic and Statistical Manual of Mental Disorders-Fifth Edition" ("DSM-5") diagnostic criteria for intellectual disability (ID) include a change to the definition of adaptive impairment. New criteria require impairment in one adaptive domain rather than two or more skill areas. The authors examined the diagnostic…
Descriptors: Classification, Mental Retardation, Clinical Diagnosis, Children
Buttner, Gerhard; Hasselhorn, Marcus – International Journal of Disability, Development and Education, 2011
Students with difficulties in specific cognitive processes and academic achievement with otherwise normal levels of intellectual functioning are classified as having a learning disability (LD). In spite of extensive recent research in a number of disciplines, controversial debate continues with regard to several issues. To reconcile some of them…
Descriptors: Learning Disabilities, Disability Identification, Cognitive Processes, Definitions
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
Bellini, James – Intellectual and Developmental Disabilities, 2007
This article presents the author's comments on Simon and Lichten's "Defining Mental Retardation: A Matter of Life and Death." Lichten and Simon (2007) argued for the use of a Total Quotient (TQ) that combines existing IQ and adaptive functioning scores into a single index. They proposed that the TQ index will improve the accuracy of mental…
Descriptors: Scores, Mental Retardation, Intelligence Quotient, Classification
Peer reviewedWakefield, Jerome C. – Psychological Review, 1991
The definition of mental disorder in the third edition of the "Diagnostic and Statistical Manual of Mental Disorders" (DSM-III-R) explains that a disorder is harmful and represents a dysfunction, but it fails to capture the idea of dysfunction. Ideas for increasing the conceptual validity of the definition are presented. (SLD)
Descriptors: Behavior Patterns, Classification, Clinical Diagnosis, Criticism
Peer reviewedLeekam, Susan; Libby, Sarah; Wing, Lorna; Gould, Judith; Gillberg, Christopher – Autism: The International Journal of Research and Practice, 2000
This study compared the ICD-10 criteria for Asperger syndrome with those suggested by Gillberg with 200 children and adults who met ICD-10 criteria for autism. Comparison indicated only three subjects met ICD-10 criteria for Asperger syndrome whereas 91 met Gillberg's criteria. The discrepancy appeared due to the specific "normal development"…
Descriptors: Adults, Asperger Syndrome, Children, Classification
Nakken, H.; Vlaskamp, C. – Journal of Policy and Practice in Intellectual Disabilities, 2007
There is extensive discussion on the quality of education and support for individuals with profound intellectual and multiple disabilities (PIMD) in relation to inclusion and full citizenship. The discussions are complicated because of differences or lack of clarity in the description of the variations and types of PIMD. A description of the core…
Descriptors: Multiple Disabilities, Mental Retardation, Definitions, Classification
Wood, Frank H., Ed.; Lakin, K. Charlie, Ed. – 1982
The book contains five papers presented at a 1979 topical conference on the definition of emotional disturbance and behavioral disorders in educational settings. The first paper, by F. Wood, is titled "Defining Disturbing, Disordered, and Disturbed Behavior." Topics covered include ambivalence about defining deviant behavior by special educators,…
Descriptors: Administration, Autism, Behavior Problems, Classification
Peer reviewedDenning, Christopher B.; Chamberlain, Jolie A.; Polloway, Edward A. – Education and Training in Mental Retardation and Developmental Disabilities, 2000
A study investigated the impact of the American Association on Mental Retardation's 1992 manual that provided an alternative approach to mental retardation definition and classification. Forty-four states indicated they based their guidelines on the 1983 manual, four states reported using the 1992 manual, and three used neither model. (Contains…
Descriptors: Adults, Children, Classification, Clinical Diagnosis
