Skilled financial planning: the cost of
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Lerch, F. J.; Mantei, M. M.; Olson, J. R.
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Article
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1989
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Association for Computing Machinery
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We use GOMS models to predict error rates and mental times for translating financial concepts into equations in two widely used interface representations. The first of these, common to spreadsheet packages, is characterized by non-mnemonic naming and absolute referencing of variables. The second, co