Objective: In the present study, we sought to determine the differences among college students using e-cigarettes, cigarettes, or both products (dual users) on smoking outcome expectancies and the role of smoking expectancies and e-cigarette use in cessation attempts. Participants: We surveyed 1,370 undergraduate college students from November…

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…

Background: Peer mentoring can be a powerful complement to health instruction. Mentoring has been used to change health behaviors and promote sustainable lifestyle patterns in adults and, more recently, among adolescents. Purpose: This article reviews the use of peer mentoring to promote health practices and describes how this approach can be used…

We examined the effects of a professional development intervention that included data-based performance feedback delivered via electronic mail (e-mail) on preschool teachers' use of descriptive praise and whether increased use of descriptive praise was associated with changes in classroom-wide measures of child engagement and challenging behavior.…