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MacGregor, James N. – Journal of Problem Solving, 2017
The article reports three experiments designed to explore heuristics used in comparing the lengths of completed Euclidean Traveling Salesman Problem (E-TSP) tours. The experiments used paired comparisons in which participants judged which of two completed tours of the same point set was shorter. The first experiment manipulated two factors, the…
Descriptors: College Students, Heuristics, Problem Solving, Mathematical Applications
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Caviola, Sara; Mammarella, Irene C.; Cornoldi, Cesare; Lucangeli, Daniela – Journal of Experimental Child Psychology, 2012
The involvement of working memory (WM) was examined in two types of mental calculation tasks: exact and approximate. Specifically, children attending Grades 3 and 4 of primary school were involved in three experiments that examined the role of verbal and visuospatial WM in solving addition problems presented in vertical or horizontal format. For…
Descriptors: Mental Computation, Short Term Memory, Grade 3, Grade 4