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PubMed · 3754545

Graded mental arithmetic as an active psychological challenge.

J R Turner·J K Hewitt·R K Morgan·J Sims·D Carroll·K A Kelly
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Abstract

A computer-operated mental arithmetic task is outlined which presents questions at a level of difficulty continuously determined by subjects' accuracy of response on the previous question. The programme incorporates 5 levels of difficulty, and all questions concern the addition or subtraction of two numbers which vary in digit-span according to the current level of difficulty. Response requirements are manual rather than verbal so that, in addition to monitoring heart rate, subjects' exhaled air may be collected throughout the task in order to determine oxygen consumption.

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ComputersHeart RateHumansMaleMathematicsOxygenSoftwareStress, PsychologicalJournal ArticleResearch Support, Non-U.S. Gov't

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J R Turner, J K Hewitt, R K Morgan, J Sims, D Carroll, K A Kelly. 1986. Graded mental arithmetic as an active psychological challenge.. https://doi.org/10.1016/0167-8760(86)90039-5

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