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Polloway, Edward A.; Patton, James R.; Smith, J. David; Lubin, Jacqueline; Antoine, Karian – Education and Training in Developmental Disabilities, 2009
In 2002, the American Association on Mental Retardation (AAMR) (Luckasson et al., 2002) revised their manual on mental retardation. It also extended the changes that had been made in the previous (1992) manual to further promote an alternative approach to definition and classification in the field. The study reported here sought to determine the…
Descriptors: Mental Retardation, Educational Practices, Classification, Guidelines

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