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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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Desoete, Annemie; Gregoire, Jacques – Learning and Individual Differences, 2006
A longitudinal study was conducted on 82 children to investigate, firstly the numerical competence of young children and the predictive value of (pre)-numerical tests in kindergarten, and, secondly, whether children's knowledge of the numerical system and representation of the number size is related to their computation and logical knowledge and…
Descriptors: Grade 1, Grade 3, Kindergarten, Young Children