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Swanson, H. Lee; Orosco, Michael J.; Lussier, Cathy M. – Exceptional Children, 2014
This study investigated the role of strategy instruction on solution accuracy in children with and without serious math difficulties (MD) in problem solving. Children's posttest solution accuracy was compared on standardized and experimental measures as a function of strategy conditions. Strategy conditions included curriculum materials that…
Descriptors: Mathematics Instruction, Teaching Methods, Problem Solving, Learning Problems
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Ross, Judith L.; Zeger, Martha P. D.; Kushner, Harvey; Zinn, Andrew R.; Roeltgen, David P. – Developmental Disabilities Research Reviews, 2009
Objective: The goal of this study was to contrast the cognitive phenotypes in boys with 47,XYY (XYY) karyotype and boys with 47,XXY karyotype [Klinefelter syndrome, (KS)], who share an extra copy of the X-Y pseudoautosomal region but differ in their dosage of strictly sex-linked genes. Methods: Neuropsychological evaluation of general cognitive…
Descriptors: Genetic Disorders, Males, Sex, Genetics