Effectiveness of visual nudges for encouraging healthier beverage choices from vending machines

IF 1.4 4区医学 Q3 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Health Promotion Journal of Australia Pub Date : 2024-04-03 DOI:10.1002/hpja.856

Enola Kay, Eva Kemps, Ivanka Prichard, Marika Tiggemann

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Abstract

Issues Addressed

Research suggests visual nudging techniques can subtly encourage healthier consumption. Two experiments explored the effect of four visual primes for nudging drink choices from a vending machine display.

Methods

Participants (17–25 years) were randomly assigned to view vending machine advertising posters containing pictorial nudges of water, soft drink, general health (runner), or a text-only control, for nudging vending machine choices. Participants then selected an item from a vending machine display containing drinks only (Experiment 1; n = 164), or both drinks and snack foods (Experiment 2, n = 684).

Results

In both experiments, nudging condition predicted beverage choice. Specifically, the water image nudged healthier beverage choices in both experiments. However, there was no effect on food choice in Experiment 2. Furthermore, in both experiments, liking and habitual consumption of chosen items were also significant predictors of choice, but condition predicted beverage choice over and above these.

Conclusion

A water prime may be an effective means of encouraging healthier beverage choices in a vending machine environment.

So What?

Findings have the potential to inform strategies for encouraging healthier beverage choices from vending machine environments.

Abstract Image

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鼓励从自动售货机选择更健康饮料的视觉暗示的有效性

研究表明，视觉暗示技术可以巧妙地鼓励人们更健康地消费。方法将参与者（17-25 岁）随机分配到自动售货机，让他们观看包含水、软饮料、一般健康（跑步者）等图片提示的自动售货机广告海报或纯文字对照，以提示他们选择自动售货机。然后，受试者从自动售货机展示的饮料（实验 1；n = 164）或饮料和休闲食品（实验 2，n = 684）中选择一种物品。具体来说，在两次实验中，水的图像都会促使人们选择更健康的饮料。然而，实验 2 对食物选择没有影响。此外，在这两项实验中，对所选物品的喜好和习惯性消费也是预测选择的重要因素，但条件对饮料选择的预测超过了这些因素。结论在自动售货机环境中，水素可能是鼓励选择更健康饮料的有效手段。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Health Promotion Journal of Australia PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH-

CiteScore

3.10

自引率

10.50%

发文量

115

期刊介绍： The purpose of the Health Promotion Journal of Australia is to facilitate communication between researchers, practitioners, and policymakers involved in health promotion activities. Preference for publication is given to practical examples of policies, theories, strategies and programs which utilise educational, organisational, economic and/or environmental approaches to health promotion. The journal also publishes brief reports discussing programs, professional viewpoints, and guidelines for practice or evaluation methodology. The journal features articles, brief reports, editorials, perspectives, "of interest", viewpoints, book reviews and letters.