Abstract
A difficulty factor based on a count of the subprocesses normally involved in “paper and pencil” multiplication (e.g., “multiply,” “add,” “carry,” and “hold”) was found to be highly correlated with the solution times of problems solved mentally. Time for solution appeared to be independent of whether the subject did the problems silently or aloud.
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1. Supported by the Public Health Service, Department of Health, Education and Welfare, under Research Grant M-07722. This paper is based on the senior author’s Master’s thesis.
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Dansereau, D.F., Gregg, L.W. An information processing analysis of mental multiplication. Psychon Sci 6, 71–72 (1966). https://doi.org/10.3758/BF03327962
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DOI: https://doi.org/10.3758/BF03327962