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Geary, David C.; Hoard, Mary K.; Byrd-Craven, Jennifer; DeSoto, M. Catherine – Journal of Experimental Child Psychology, 2004
Groups of first-grade (mean age = 82 months), third-grade (mean age = 107 months), and fifth-grade (mean age = 131 months) children with a learning disability in mathematics (MD, n=58) and their normally achieving peers (n = 91) were administered tasks that assessed their knowledge of counting principles, working memory, and the strategies used to…
Descriptors: Grade 1, Grade 5, Learning Disabilities, Memory
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Swanson, H. Lee; Beebe-Frankenberger, Margaret – Journal of Educational Psychology, 2004
This study identified cognitive processes that underlie individual differences in working memory (WM) and mathematical problem-solution accuracy in elementary school children at risk and not at risk for serious math difficulties (SMD). A battery of tests was administered that assessed problem solving, achievement, and cognitive processing in…
Descriptors: Semantics, Memory, Elementary School Students, Word Problems (Mathematics)