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Mervis, Carolyn B.; Kistler, Doris J.; John, Angela E.; Morris, Colleen A. – American Journal on Intellectual and Developmental Disabilities, 2012
Multilevel modeling was used to address the longitudinal stability of standard scores (SSs) measuring intellectual ability for children with Williams syndrome (WS). Participants were 40 children with genetically confirmed WS who completed the Kaufman Brief Intelligence Test--Second Edition (KBIT-2; A. S. Kaufman & N. L. Kaufman, 2004) 4-7…
Descriptors: Congenital Impairments, Genetic Disorders, Mental Retardation, Intelligence Quotient
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Coughlin, Judy; Montague, Marjorie – Journal of Special Education, 2011
This study investigated the effects of cognitive strategy instruction on the mathematical problem solving of three adolescents with spina bifida. Conditions of the multiple-baseline across-individuals design included baseline, two levels of treatment, posttesting, and maintenance. Treatment 1 focused on one-step math problems, and Treatment 2…
Descriptors: Congenital Impairments, Problem Solving, Mathematics Skills, Cognitive Processes