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Ye Xie; Hyesang Chang; Yi Zhang; Chunjie Wang; Yuan Zhang; Lang Chen; Fengji Geng; Yixuan Ku; Vinod Menon; Feiyan Chen – Developmental Science, 2024
Abacus-based mental calculation (AMC) is a widely used educational tool for enhancing math learning, offering an accessible and cost-effective method for classroom implementation. Despite its universal appeal, the neurocognitive mechanisms that drive the efficacy of AMC training remain poorly understood. Notably, although abacus training relies…
Descriptors: Elementary School Students, Grade 2, Brain Hemisphere Functions, Predictor Variables
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Ferrand, Ludovic; Ducrot, Stéphanie; Chausse, Pierre; Maïonchi-Pino, Norbert; O'Connor, Richard J.; Parris, Benjamin A.; Perret, Patrick; Riggs, Kevin J.; Augustinova, Maria – Developmental Science, 2020
Only one previous developmental study of Stroop task performance (Schiller, 1966) has controlled for differences in processing speed that exist both within and between age groups. Therefore, the question of whether the early developmental change in the magnitude of Stroop interference actually persists after controlling for processing speed needs…
Descriptors: Interference (Learning), Age Differences, Individual Development, Cognitive Processes
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Rouder, Jeffrey N.; Geary, David C. – Developmental Science, 2014
Learning of the mathematical number line has been hypothesized to be dependent on an inherent sense of approximate quantity. Children's number line placements are predicted to conform to the underlying properties of this system; specifically, placements are exaggerated for small numerals and compressed for larger ones. Alternative hypotheses…
Descriptors: Numbers, Number Concepts, Cognitive Development, Child Development
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Prado, Jérôme; Mutreja, Rachna; Booth, James R. – Developmental Science, 2014
Mastering single-digit arithmetic during school years is commonly thought to depend upon an increasing reliance on verbally memorized facts. An alternative model, however, posits that fluency in single-digit arithmetic might also be achieved via the increasing use of efficient calculation procedures. To test between these hypotheses, we used a…
Descriptors: Hypothesis Testing, Numeracy, Arithmetic, Computation