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Direct linkBoyer, Ty W.; Levine, Susan C. – Journal of Experimental Child Psychology, 2012
The current experiments examined the role of scale factor in children's proportional reasoning. Experiment 1 used a choice task and Experiment 2 used a production task to examine the abilities of kindergartners through fourth-graders to match equivalent, visually depicted proportional relations. The findings of both experiments show that accuracy…
Descriptors: Scaling, Measures (Individuals), Mathematical Concepts, Task Analysis
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
