a Department of Social, Health and Organizational Psychology , Utrecht University , Utrecht , Netherlands.
Psychol Health. 2018 Jun;33(6):800-809. doi: 10.1080/08870446.2017.1416116. Epub 2017 Dec 20.
Objective The current study is a longitudinal conceptual replication and aimed to investigate the effect of a food repositioning nudge on healthy food choice in a kiosk. Design During eight weeks, sales data were collected. The former four weeks formed the baseline phase and the latter four weeks formed the nudge phase where healthy food products were repositioned at the checkout counter display, while unhealthy alternatives remained available elsewhere in the store. Main Outcome Measures The main variable of interest was the proportion of healthy food products (selected to be repositioned) sold per day. Also exit interviews were administered to gather individual level data about purchases, and awareness and opinions of the nudge. Results Results showed that the proportion of selected healthy food products in total food sales was higher in all four nudge weeks than in all four baseline weeks. Individual level data showed that more customers had bought a selected healthy food product in the nudge phase and that customers generally approved of the nudge. Conclusion The current study strengthened the empirical evidence base of repositioning healthy food products as an effective and well-accepted nudge.
本研究是一项纵向概念复制，旨在调查在售货亭中对食物重新定位的推动对健康食品选择的影响。
在八周的时间里，收集了销售数据。前四周为基线阶段，后四周为推动阶段，在此期间，健康食品产品被重新定位在收银台展示区，而不健康的替代品仍可在商店的其他地方购买。
主要关注的变量是每天销售的健康食品产品（选择重新定位）的比例。此外，还进行了离职访谈，以收集关于购买情况以及对推动的认知和意见的个人层面数据。
结果表明，在所有四个推动周中，选定的健康食品产品在总食品销售中的比例均高于所有四个基线周。个人层面的数据显示，更多的顾客在推动阶段购买了选定的健康食品产品，并且顾客普遍认可这种推动。
本研究加强了将健康食品产品重新定位作为一种有效且被广泛接受的推动策略的实证证据基础。
