Wine glass size and wine sales: A replication study in two bars

Rachel Pechey, Dominique Couturier, Gareth Hollands, Eleni Mantzari, Zorana Zupan & Theresa Marteau
Objective. Wine glass size may influence perceived volume and subsequently purchasing and consumption. Using a larger glass to serve the same portions of wine was found to increase wine sales by 9.4% (95% CI: 1.9, 17.5) in a recent study conducted in one bar. The current study aimed to replicate this previous work in two other bars using a wider range of glass sizes. To match the previous study, a repeated multiple treatment reversal design,...

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