Health warnings promote healthier dietary decision making: Effects of positive versus negative message framing and graphic versus text-based warnings

Appetite
Daniel H RosenblattMelanie Wakefield

Abstract

Food product health warnings have been proposed as a potential obesity prevention strategy. This study examined the effects of text-only and text-and-graphic, negatively and positively framed health warnings on dietary choice behavior. In a 2 × 5 mixed experimental design, 96 participants completed a dietary self-control task. After providing health and taste ratings of snack foods, participants completed a baseline measure of dietary self-control, operationalized as participants' frequency of choosing healthy but not tasty items and rejecting unhealthy yet tasty items to consume at the end of the experiment. Participants were then randomly assigned to one of five health warning groups and presented with 10 health warnings of a given form: text-based, negative framing; graphic, negative framing; text, positive framing; graphic, positive framing; or a no warning control. Participants then completed a second dietary decision making session to determine whether health warnings influenced dietary self-control. Linear mixed effects modeling revealed a significant interaction between health warning group and decision stage (pre- and post-health warning presentation) on dietary self-control. Negatively framed graphic health warnings p...Continue Reading

Citations

Nov 26, 2019·Health Education & Behavior : the Official Publication of the Society for Public Health Education·Gastón AresIsabel Bove
Dec 12, 2021·Cognitive Research: Principles and Implications·Léo DutriauxLawrence W Barsalou

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