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This study evaluated the effectiveness of an intervention in which fourth and fifth graders participated in an after-school program where they produced a media campaign that focused on increasing fruit and vegetable (FV) consumption. Researchers measured the effectiveness of the media campaign in changing the home nutrition environment (e.g., FV availability and parental support). Quantitative and qualitative measures were also used to evaluate the effect of the intervention on the children's self-efficacy, motivation, and perceived parental social support related to FV consumption. Data from the parents indicated greater availability of FV at home and more instrumental support for their children to eat FV.
Tanner et al. (Tue,) studied this question.