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Landerl, Karin; Kolle, Christina – Journal of Experimental Child Psychology, 2009
Deficits in basic numerical processing have been identified as a central and potentially causal problem in developmental dyscalculia; however, so far not much is known about the typical and atypical development of such skills. This study assessed basic number skills cross-sectionally in 262 typically developing and 51 dyscalculic children in…
Descriptors: Numbers, Children, Grade 2, Arithmetic