Early adolescence is a time of rapid cognitive, psychosocial, and physical development, and an array of contextual factors, such as systemic racism, exert significant influence. Universal behavioral health screening data of 4,234 middle school students were examined to explore the influence of demographic (e.g. ethnicity, race) and contextual…

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…

Childhood obesity may be lessened by parent-focused interventions. A pilot parent-directed trial with 46 parents of overweight and obese elementary school students was conducted at two ethnically diverse public schools in Framingham, Massachusetts. Parents were randomly assigned to either the Materials Group, which received mailed educational…

This study examined factors associated with repeat human immunodeficiency virus (HIV) testing among seronegative subjects (half of whom reported engaging in high-risk behaviors), noting behavior change following counseling and testing. Surveys indicated those with high-risk behaviors were more likely to be retested. There was minimal behavior…