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Dykens, Elisabeth; And Others – Journal of Autism and Developmental Disorders, 1996
Two studies, 1 longitudinal with 29 subjects and 1 cross-sectional with 132 subjects, examined the adaptive trajectories and profiles of males with mental retardation caused by fragile X syndrome. Significant age-related gains were found in boys ages 1-10 but subjects ages 11-20 showed nonsignificant relations between age and adaptive skills. (DB)
Descriptors: Adaptive Behavior (of Disabled), Age, Basic Skills, Child Development