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Tassé, Marc J.; Luckasson, Ruth; Schalock, Robert L. – Intellectual and Developmental Disabilities, 2016
Intellectual disability originates during the developmental period and is characterized by significant limitations both in intellectual functioning and in adaptive behavior as expressed in conceptual, social, and practical adaptive skills. In this article, we present a brief history of the diagnostic criteria of intellectual disability for both…
Descriptors: Intellectual Disability, Adjustment (to Environment), Intellectual Development, Educational Diagnosis