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Lewis, Michael; Brooks-Gunn, Jeanne – Child Development, 1984
Examines differences in habituation in a visual attention task as a function of chronological age, mental age, and handicapping condition. Subjects were 102 children who ranged in age from 3 to 36 months and who were classified as Down Syndrome, cerebral palsied, developmentally delayed, or multiply handicapped. (Author/RH)
Descriptors: Age Differences, Attention, Cerebral Palsy, Disabilities

Evans, David W.; Gray, F. Lee – Child Development, 2000
Examined the nature of repetitive, ritualistic, and compulsive-like behaviors in typically developing and children and individuals with Down Syndrome (DS), matched on mental age (MA). Found that that both groups showed similar MA-related changes in compulsive-like behaviors. Younger children showed more compulsive-like behaviors than older.…
Descriptors: Adjustment (to Environment), Adolescent Behavior, Adolescents, Age Differences