Changing Eating Habits - A Field Experiment in Primary Schools
We conduct a field experiment in 31 primary schools in England to test whether incentives to eat fruit and vegetables help children develop healthier habits. The intervention consists of rewarding children with stickers and little gifts for a period of four weeks for choosing a portion of fruit and vegetables at lunch. We compare the effects of two incentive schemes (competition and piece rate) on choices and consumption over the course of the intervention as well as once the incentives are removed and six months later. We find that the intervention had positive effects, but the effects vary substantially according to age and gender. However, we find little evidence of sustained long term effects, except for the children from poorer socio-economic backgrounds.
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- Belot, MichÃ¨le & James, Jonathan, 2009.
"Healthy school meals and educational outcomes,"
ISER Working Paper Series
2009-01, Institute for Social and Economic Research.
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