Objective: We investigated the preliminary efficacy of a tailored human papillomavirus (HPV) vaccination on-line intervention designed to increase HPV vaccination intention. Participants: Female college students (N = 101; 18-26 years), who have not received the HPV vaccine. Methods: Participants were randomized to either a control group to read…

Health messaging can be a successful tool in encouraging pro-social behavior, such as bystander intervention in sexual violence situations. This dissertation explored the development of a social media message to encourage bystander intervention among college students using multiple theoretical frameworks: social norms approach and bystander…

College students are at a heightened risk of experiencing depression and anxiety symptomatology and engaging in maladaptive alcohol use. Understanding how alcohol interventions impact emotional functioning is essential. One such intervention uses Deviance Regulation Theory (DRT), which posits that behavior can be modified using targeted messaging…

This study examined the relation between both implementation fidelity and quality and the outcomes of two different anti-bullying interventions targeting distinct processes involved in bullying: moral disengagement and social norms. In total, 34 French-speaking Belgian teachers from six elementary schools were trained to deliver either the moral…

Objective: To assess the effectiveness of a peer-led single-session intervention targeting the sociocultural pressures of body image. Participants: New members of 13 sororities at one university. Methods: Participants were randomized by sorority into the intervention (n = 207) or wait list control (n = 264). Online surveys were administered at…

Bullying and sexual harassment are commonly experienced by secondary students, yet these behaviors are seldom targeted for intervention in high schools. Norms and Bystander Intervention Training (NAB IT!) is a program designed to address bullying and sexual harassment through promoting prosocial norms and helping behaviors among high school…