Labelling healthy foods with smiley faces and offering small prizes for buying nutritious items can make kids purchase and eat healthier food.

For the study, the researchers designed a two-phase intervention to improve healthful eating among kindergarten through sixth-grade students at an inner-city school in Cincinnati. The first phase consisted of placing green smiley face emotions by the most nutritious foods in the school cafeteria, including fruits, vegetables, plain white fat-free milk and an entree with whole grains.
Three months later, researchers introduced the concept of a ’Power Plate’, which consisted of the four healthy foods. Children who selected a Power Plate could receive a small prize, such as a sticker, temporary tattoo or mini beach ball.
Results showed plain milk purchases increased from 7.4% to 48% of total milk sales. Fruit selection increased by 20% from 1 to 1.2 items per student per day, and vegetable selection rose by 62% from 0.74 to 1.2 items per student per day. Meanwhile, chocolate milk selection decreased from 86.5% to 44.6% of total milk sales.
Source-Medindia
MEDINDIA




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