Effectiveness and efficiency of different shapes of food guides

Journal of Nutrition Education and Behavior
Rebecca HessMichael Siegrist

Abstract

To compare the influence of a food guide's shape on its effectiveness and efficiency to convey nutritional information. A between-subjects experiment was conducted by manipulating the graph's shape (circle, pyramid, or rainbow). Nutrition tasks were used to assess the effectiveness and eye-movement data (number/duration of fixations) to examine the efficiency of the formats. The data were quantitatively analyzed (chi-square, ANOVA). There were no overall differences between the formats regarding effectiveness and efficiency. However, there were differences between the formats in effectiveness regarding 3 of the 5 nutrition tasks (χ(2)s ≥ 7.044, Ps < .05). Furthermore, viewers' attention was drawn to different parts of the graph, depending on the format. The results suggest that choosing different formats for practical nutrition communication does not play a major role in effectiveness or efficiency of this communication. However, different parts of the graph are more salient in various food guide formats.

References

May 29, 2002·Journal of Nutrition Education·C A Ryan, J L Wilkins
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Nov 23, 2006·Journal of Nutrition Education and Behavior·Patricia BrittenCarole Davis
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Apr 2, 2008·Journal of Experimental Psychology. Applied·Raj M RatwaniDeborah A Boehm-Davis
Oct 1, 2010·Journal of Human Nutrition and Dietetics : the Official Journal of the British Dietetic Association·M Dickson-Spillmann, M Siegrist
Feb 12, 2011·Appetite·Maria Dickson-SpillmannCarmen Keller

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