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12 mars 2015
- handle: 10670/1.42oaws
- hal: hal-01190188
- PRODINRA: 295000
info:eu-repo/semantics/OpenAccess
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Marie Prevost et al., « When using nutritional labels, less is better », HAL-SHS : économie et finance, ID : 10670/1.42oaws
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New colorful nutrional labels are now used in some countries to help people better evaluate how healthy are food products. But little is known about how we understand and manipulate colored information to evaluate food products. The authors test how people evaluate anonymous food products from nutritional information displayed as numbers (% of daily amount) or as colors (red, amber, green). They anticipate that people will categorize food as bad for their health as soon as the color red is presente, and that the performance and reaction time will reflect that colors are easier to use (possible use of heuristics) compared to numbers (very analytical).