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Defever, Emmy; Sasanguie, Delphine; Gebuis, Titia; Reynvoet, Bert – Journal of Experimental Child Psychology, 2011
How people process and represent magnitude has often been studied using number comparison tasks. From the results of these tasks, a comparison distance effect (CDE) is generated, showing that it is easier to discriminate two numbers that are numerically further apart (e.g., 2 and 8) compared with numerically closer numbers (e.g., 6 and 8).…
Descriptors: Models, Mathematics Tests, Kindergarten, Grade 6
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Reynvoet, Bert; De Smedt, Bert; Van den Bussche, Eva – Journal of Experimental Child Psychology, 2009
The comparison distance effect (CDE), whereby discriminating between two numbers that are far apart is easier than discriminating between two numbers that are close, has been considered as an important indicator of how people represent magnitudes internally. However, the underlying mechanism of this CDE is still unclear. We tried to shed further…
Descriptors: Numbers, Language Processing, Grade 5, Grade 1