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Campbell, Jamie I. D.; Alberts, Nicole M. – Journal of Experimental Psychology: Learning, Memory, and Cognition, 2009
Educated adults solve simple addition problems primarily by direct memory retrieval, as opposed to by counting or other procedural strategies, but they report using retrieval substantially less often with problems in written-word format (four = eight) compared with digit format (4 = 8). It was hypothesized that retrieval efficiency is relatively…
Descriptors: Subtraction, Information Retrieval, Costs, Memory