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Protocol and statistical analysis plan - impact of environmental labelling on food choices: a randomized controlled trial in a virtual reality supermarket

Abstract : A 2-arm randomised control trial (with and without labels) will be conducted to test the effects of an environmental label on food choices in a virtual supermarket. A sample of 130 participants will take part in two shopping tasks: 1/ selection of 3 products to prepare a home-made dish, and 2/ selection of a ready-to-eat dish. These two tasks will be repeated for two scenarios: 1/ participants will be asked to select the foods for usual meals, and 2/ participants will be asked to select the foods for environmentally-friendly meals. This experimental design will allow to compare food choices in the presence vs. the absence of an environmental label and to investigate whether the label is informative and likely to help individuals to choose more environmental-friendly food options when explicitly asked to do so.
Keywords : labelling food choice
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https://hal.inrae.fr/hal-03270668
Contributor : Sabine Julien <>
Submitted on : Friday, June 25, 2021 - 9:46:50 AM
Last modification on : Thursday, September 23, 2021 - 4:58:01 PM

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Lucile Marty, Laura Arrazat, Gaëlle Arvisenet, Sophie Nicklaus, Stephanie Chambaron. Protocol and statistical analysis plan - impact of environmental labelling on food choices: a randomized controlled trial in a virtual reality supermarket. 2021. ⟨hal-03270668⟩

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