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Walsh, Matthew M.; Anderson, John R. – Cognitive Psychology, 2009
In two experiments, we studied how people's strategy choices emerge through an initial and then a more considered evaluation of available strategies. The experiments employed a computer-based paradigm where participants solved multiplication problems using mental and calculator solutions. In addition to recording responses and solution times, we…
Descriptors: Change Strategies, Cognitive Processes, Computer Mediated Communication, Models
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Hitch, 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