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Peer reviewedAdams, John W.; Hitch, Graham J. – Journal of Experimental Child Psychology, 1997
Two experiments investigated extent to which English- and German-speaking childrens' mental arithmetic was constrained by working memory. Found higher mental addition spans when numbers were visible throughout calculation than when not. Variation in addition span with age and arithmetical operation difficulty approximated to a linear function of…
Descriptors: Addition, Age Differences, Arithmetic, Children
Peer reviewedHitch, Graham J. – Cognitive Psychology, 1978
Two simple quantitative models were derived from a series of experiments which explored the role of information storage in working memory when performing mental arithmetic. The decay model is a tractable analysis of a complex task which assumes a decay process in working storage. Similar analyses are recommended for problem solving activities…
Descriptors: Addition, Adults, Arithmetic, Cognitive Processes
