Intellectual Disability: Definition, Diagnosis, Classification, and Systems of Supports, 12th Edition, has just been published and can be purchased from our bookstore.
All professionals in the field need this important reference book, which integrates the findings and developments of the last 10 years in a systematic approach to diagnosis, optional subgroup classification, and planning of systems of supports for people with ID.
In addition, the 12th edition examines the construct of age of onset as a criterion in diagnosis and presents the operational definition in a way that will be critically important to professionals in the field.
Buy your copy now in the AAIDD Bookstore!
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American Association on Intellectual
and Developmental Disabilities (AAIDD)
8403 Colesville Road, Suite 900
Silver Spring, MD 20910
American Association on Intellectual and Developmental Disabilities • 8403 Colesville Road, Suite 900, Silver Spring, Maryland 20910, United States