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Sinuosity and the Affect Grid: a method for adjusting repeated mod scores

Russell, Yvan I. and Gobet, Fernand ORCID: 0000-0002-9317-6886 (2012) Sinuosity and the Affect Grid: a method for adjusting repeated mod scores. Perceptual and Motor Skills, 114 (1). 125 - 136. ISSN 0031-5125

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Identification Number: 10.2466/03.28.PMS.114.1.125-136


Sinuosity is a measure of how much a travelled pathway deviates from a straight line. In this paper, sinuosity is applied to the measurement of mood. The Affect Grid is a mood scale that requires participants to place a mark on a 9 × 9 grid to indicate their current mood. The grid has two dimensions: pleasure-displeasure (horizontal) and arousal-sleepiness (vertical). In studies where repeated measurements are required, some participants may exaggerate their mood shifts due to faulty interpretation of the scale or a feeling of social obligation to the experimenter. A new equation is proposed, based on the sinuosity measure in hydrology, a measure of the meandering of rivers. The equation takes into account an individual's presumed tendency to exaggerate and meander to correct the score and reduce outliers. The usefulness of the equation is demonstrated by applying it to Affect Grid data from another study.

Item Type: Article
Official URL:
Additional Information: © 2012 Perceptual and Motor Skills
Divisions: CPNSS
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Date Deposited: 10 Dec 2019 09:54
Last Modified: 20 Oct 2021 01:00

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