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Darren Dahl (Editor in Chief)Eileen FischerGita JoharVicki Morwitz

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The Biasing Health Halos of Fast-Food Restaurant Health Claims: Lower Calorie Estimates and Higher Side-Dish Consumption Intentions

Pierre Chandon, Brian Wansink
DOI: http://dx.doi.org/10.1086/519499 301-314 First published online: 1 October 2007


Why is America a land of low-calorie food claims yet high-calorie food intake? Four studies show that people are more likely to underestimate the caloric content of main dishes and to choose higher-calorie side dishes, drinks, or desserts when fast-food restaurants claim to be healthy (e.g., Subway) compared to when they do not (e.g., McDonald's). We also find that the effect of these health halos can be eliminated by simply asking people to consider whether the opposite of such health claims may be true. These studies help explain why the success of fast-food restaurants serving lower-calorie foods has not led to the expected reduction in total calorie intake and in obesity rates. They also suggest innovative strategies for consumers, marketers, and policy makers searching for ways to fight obesity.

  • Health, Nutrition, Safety
  • Motivation/Desires/Goals
  • Assimilation/Contrast
  • Public Policy Issues
  • Experimental Design and Analysis (ANOVA)
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