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DeFina, Cynthia E. – ProQuest LLC, 2017
Early learning programs impact students, especially those with developmental delays. These formative years play a vital role in the overall development of the students' skills. School districts want to reach these special education students during these crucial years to help close the developmental delay gap. This quantitative study examines the…
Descriptors: Classification, Disabilities, Preschool Children, Preschool Education
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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