Many colleges are removing trays from their dining facilities in hope of reducing waste. How does not having a tray impact food choice?
A field study was conducted in a university cafeteria (n 417) on two evenings with identical menus, one with tray service and one without.
A dining hall of a large north-eastern university, USA.
Trayless dining decreased the percentage of diners (average age 19·1 years) who took salad by 65·2 % but did not decrease the percentage who took dessert, leading to a markedly higher ratio of dessert to salad.
Cafeterias going trayless should consider complementary policies to encourage balanced diets.
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