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Desoete, Annemmie; De Weerd, Frauke; Vanderswalmen, Ruth; De Bond, Annemie – International Journal for Research in Learning Disabilities, 2014
The study was conducted to look at differences between children who outgrew and did not outgrow an early diagnosis of mathematical learning disorder (MD; n=13), and peers without MD (n=13). Children were tested at 5, 6, 7 and 10 years of age. About 54% of the children with an early diagnosis of MD still experienced mathematical difficulties at the…
Descriptors: Learning Disabilities, Longitudinal Studies, Disability Identification, Mathematics Skills
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De Weerdt, Frauke; Desoete, Annemie; Roeyers, Herbert – Journal of Learning Disabilities, 2013
Elementary school children with reading disabilities (RD; "n" = 17), mathematical disabilities (MD; "n" = 22), or combined reading and mathematical disabilities (RD+MD; "n" = 28) were compared to average achieving (AA; "n" = 45) peers on working memory measures. On all working memory components, 2 (RD vs. no…
Descriptors: Elementary School Students, Short Term Memory, Reading Difficulties, Mathematics Skills
MacKinnon McQuarrie, Maureen A.; Siegel, Linda S.; Perry, Nancy E.; Weinberg, Joanne – Journal of Learning Disabilities, 2014
This study investigated the relationship among working memory, processing speed, math performance, and reactivity to stress in 83 Grade 1 children. Specifically, 39 children with math disability (MD) were compared to 44 children who are typically achieving (TA) in mathematics. It is the first study to use a physiological index of stress (salivary…
Descriptors: Foreign Countries, Elementary School Students, Mathematics Achievement, Low Achievement
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Tournaki, Nelly; Bae, Young Seh; Kerekes, Judit – Learning Disabilities: A Contemporary Journal, 2008
This study examined the effects on math performance of the use of the rekenrek, a manipulative developed by Adrian Treffers. The rekenrek looks like an abacus, but differs in that it is based on a five-structure and not a ten-structure system. It is comprised of two rows of 10 beads, each broken into two sets of 5 by color (i.e., in each row the…
Descriptors: Mathematics Education, Learning Disabilities, Scores, Subtraction