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Roeyers, Herbert; Buysse, Ann; Keymeulen, Heidi – Journal of Learning Disabilities, 1998
This study investigated early clinical differences between 27 children (ages 0-4) with pervasive developmental disorder not otherwise specified and 27 children with attention deficit disorder. Results revealed almost no differences between both groups with respect to pregnancy or birth complications and suggest that differences become more…
Descriptors: Age Differences, Attention Deficit Disorders, Disability Identification, Hyperactivity