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Friso-van den Bos, Ilona; Kolkman, Meijke E.; Kroesbergen, Evelyn H.; Leseman, Paul P. M. – Journal of Cognition and Development, 2014
The present study aims to examine relations between number representations and various sources of individual differences within early stages of development of number representations. The mental number line has been found to develop from a logarithmic to a more linear representation. Sources under investigation are counting skills and executive…
Descriptors: Numeracy, Individual Differences, Number Concepts, Executive Function
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Hurks, Petra P. M.; van Loosbroek, Erik – Journal of Learning Disabilities, 2014
Time perception has not been comprehensively examined in mathematics difficulties (MD). Therefore, verbal time estimation, production, and reproduction were tested in 13 individuals with MD and 16 healthy controls, matched for age, sex, and intellectual skills. Individuals with MD performed comparably to controls in time reproduction, but showed a…
Descriptors: Time Management, Mathematics, Short Term Memory, Intervals