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Kaufmann, Liane; Delazer, Margarete; Pohl, Renate; Semenza, Carlo; Dowker, Ann – Educational Research and Evaluation, 2005
The present study compared the relative effects of 2 educational programs on kindergarten children. The experimental group took part in a numeracy-specific program, which focused on conceptual knowledge. Children were taught basic numerical skills such as understanding and handling numbers and their relations as well as counting principles. The…
Descriptors: Numeracy, Arithmetic, Kindergarten, Computation
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Nuerk, Hans-Christoph; Kaufmann, Liane; Zoppoth, Sabine; Willmes, Klaus – Developmental Psychology, 2004
Magnitude is assumed to be represented along a holistic mental number line in adults. However, the authors recently observed a unit-decade compatibility effect for 2-digit numbers that is inconsistent with this "holisticness" assumption (H.-C. Nuerk, U. Weger, & K. Willmes, 2001). This study used the compatibility effect to examine whether the…
Descriptors: Numeracy, Computation, Models, Cognitive Processes
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Kaufmann, Liane – Educational Research, 2008
Background: Developmental dyscalculia is a heterogeneous disorder with largely dissociable performance profiles. Though our current understanding of the neurofunctional foundations of (adult) numerical cognition has increased considerably during the past two decades, there are still many unanswered questions regarding the developmental pathways of…
Descriptors: Elementary School Students, Neurology, Learning Disabilities, Mathematics