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Palgrave Macmillan

Intellectual Disability

An Inability to Cope with an Intellectually Demanding World

ISBN 9781137025579
Publication Date October 2013
Formats Hardcover Ebook (EPUB) Ebook (PDF) 
Publisher Palgrave Macmillan

The construct of intellectual disability has developed over centuries and has had different functions at different times; from a concept that was used to describe people from whom society needed protecting from in the late to 19th and early 20th centuries, to one used to describe people who are unable to cope in the current environment. It is now defined in terms of having a measured IQ below a fixed cut off point, usually 70, and a low level of adaptive behaviour also often specified in terms of being below a cut off point. Intellectual Disability demonstrates that neither IQ nor adaptive behaviour can be measured with sufficient accuracy for fixed cut off points to be used and suggests a number of new much more loosely defined constructs of intellectual disability based on clinical judgment.

Simon Whitaker is Senior Visiting Research Fellow at the University of Huddersfield, UK, and Consultant Clinical Psychologist in Learning Disabilities in Huddersfield. His research interests include the reduction of challenging behaviour in people with learning disability, in particular anger and aggression, the measurement of IQ in people with learning disabilities, and the nature, definition and naming of learning disability.

1. History and Definitions
2. The Concept of Intelligence
3. Measuring Intelligence
4. The Concept and Measurement of Adaptive Behaviour
5. Acquiring a Diagnosis and the Prevalence of Intellectual Disability
6. Causes of Intellectual Disability
7. Problems with the Current Definition
8. Intellectual Disability Reconceptualised and Redefined



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