The effect of wine glass size on volume of wine sold: A mega-analysis of studies in bars and restaurants.

Mark Pilling, Natasha Clarke, Rachel Pechey, Gareth Hollands & Theresa Marteau
Aim: To estimate the effects of wine glass size on volume of wine sold in bars and restaurants. Design: A mega-analysis combining raw (as opposed to aggregate-level) data from eight studies conducted in five establishments. For each dataset, a multiple treatment reversal design was used, with wine glass size changed fortnightly whilst serving sizes were unaffected, in studies lasting between 14 and 26 weeks Setting and participants: Five bars and restaurants in England participated in...
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