Washington: Researchers at the Cornell Centre for Behavioural Economics in Child Nutrition Programs (BEN Centre) have found that pre-ordering lunch would nudge students to make healthier choices.In two upstate New York elementary schools, students use an electronic pre-ordering system to order lunch in the morning. Fourteen teachers agreed to enrol their classes in a four-week study to test the effects of pre-ordering lunch. These classrooms were randomly assigned to one of three experimental conditions - 1) stop pre-ordering for the 3rd week and resume for the 4th week, 2) stop pre-ordering for the 4th week, or 3) continue pre-ordering for all four weeks.
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