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Download full textBaroody, Arthur J.; Gannon, Kathleen E. – 1983
Three models have been proposed to account for the relationship between the principle of commutativity and the development of more economical addition strategies, which disregard addend order. In the first and second models, it has been proposed that either discovery or assumption of commutativity is a necessary condition for the invention of…
Descriptors: Addition, Cognitive Processes, Computation, Discovery Processes
