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Falk, Ruma; Yudilevich-Assouline, Patricia; Elstein, Adily – Educational Studies in Mathematics, 2012
Children had to choose one of two urns--each comprising beads of winning and losing colours--from which to draw a winning bead. Three experiments, aimed at diagnosing rules of choice and designed without confounding possible rules with each other, were conducted. The level of arithmetic difficulty of the trials was controlled so as not to distort…
Descriptors: Mathematical Concepts, Experiments, Age Differences, Mathematics Education