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A Behavioral Intervention Increases Consumption of a New Biofortified Food by School Children: Evidence from a Field Experiment in Nigeria
The European Journal of Development Research ( IF 2.449 ) Pub Date : 2021-02-08 , DOI: 10.1057/s41287-021-00363-7
David R. Just , Julius J. Okello , Gnel Gabrielyan , Souleimane Adekambi , Norman Kwikiriza , Putri E. Abidin , Edward Carey

Children’s diets can have major implications for a wide range of diseases and their development outcomes. In Africa, micronutrient deficiency remains a major challenge and affects the health and development of vulnerable populations, especially children. A major effort to combat micronutrient deficiency has targeted biofortification of staple foods, with greatest potential being registered in the enrichment of, among others, sweetpotato with beta carotene—a precursor for vitamin A. However, overcoming vitamin A deficiency is made all the more complicated by children’s general resistance to unfamiliar foods. We report the results of a field experiment in Nigerian schools designed to use behavioral techniques to promote consumption of an unfamiliar food: the pro-vitamin A rich orange-fleshed sweetpotato. We find that children eat more, on average, when the sweetpotato is introduced alongside behavioral nudges such as songs or association with aspirational figures. These results appear to conform to results found in a developed country context.



中文翻译:

行为干预会增加小学生对新型生物强化食品的消费:来自尼日利亚实地实验的证据

儿童饮食对多种疾病及其发展成果可能具有重大影响。在非洲,微量营养素缺乏仍然是一个重大挑战,并影响着脆弱人群,特别是儿童的健康和发展。对抗微量营养素缺乏的一项主要工作是针对主食的生物强化,其中最大的潜力体现在甘薯中富含β-胡萝卜素-维生素A的前体。然而,克服维生素A的缺乏变得更加复杂。受到儿童对陌生食物的普遍抵抗。我们报告了在尼日利亚学校进行的一项现场实验的结果,该实验旨在使用行为技术来促进食用不熟悉的食物:维生素原A富含橙皮的甘薯。我们发现孩子平均吃得更多,当将甘薯与行为轻拍(例如歌曲或与理想人物的联想)一起引入时。这些结果似乎与在发达国家中发现的结果相符。

更新日期:2021-02-08
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