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Direct linkMorra, Sergio; Bisagno, Elisa; Caviola, Sara; Delfante, Chiara; Mammarella, Irene Cristina – Cognition and Instruction, 2019
This article reconsiders Case's theory of central conceptual structures (CCS), examining the relation between working memory and the acquisition of quantitative CCS. The lead hypothesis is that the development of working memory capacity shapes the development of quantitative concepts (whole and rational numbers). Study I, with 779 children from…
Descriptors: Short Term Memory, Concept Formation, Children, Early Adolescents
Liu, Chunhua; Carraher, David W.; Schliemann, Analúcia D.; Wagoner, Paul – Cognition and Instruction, 2017
In a 1-hour teaching interview, 20 children (aged 7 to 11) discovered how to tell whether objects might be made of the same material by using ratios of measures of weight and size. We examine progress in the children's reasoning about measurement and proportional relations, as well as design features of instruments, materials, and tasks crafted to…
Descriptors: Children, Preadolescents, Measurement, Cognitive Development
