Nutrition insecurity is especially seen among historically underserved populations, such as those with limited financial resources. Funded by the USDA's National Institute of Food and Agriculture (NIFA) and conducted by Cooperative Extension through land-grant institutions in all U.S. states and territories and the District of Columbia, the…

Nudge theory describes how indirect suggestions and positive reinforcement can influence decision-making. We used nudge theory to implement a traffic-light labeling and choice architecture (modifying product placement) intervention at Harvard University cafeterias, but found no significant change in sales. Survey and focus group data showed that…