Objective: To examine the influence of dynamic and trending descriptive norms on increasing physical activity and decreasing the sedentary behaviors of university students while on campus. Participants: One-hundred fifty-six university students from a Canadian university completed this study. Methods: Participants were randomly assigned to receive…

Background: Relationships exist between perceived peer and own use of alcohol, cannabis, and tobacco, particularly when peers and participants are sex-matched. We investigated sex influences on social norms effects for college students' non-medical prescription drug use (NMPDU). Methods: N = 1986 college students reported on their perceptions of…

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…

Objectives: This study investigates whether recreational marijuana legislation and perceived social norms (descriptive and injunctive) affect college students' propensity to share pro-marijuana messages. We examine which referent group (close friends, typical student, parents) most influence those norms. Participants: A sample of 343 college…

Objective: To determine whether college men's perceptions of campus drinking norms, aggregated at the institution-level, predicted heavy episodic drinking and sexual violence perpetration. Participants: Data were collected from a sample of 1144 first-year male college freshmen enrolled at one of thirty four-year institutions in the state of…

Objective: Using social cognitive theory as a framework, this study examined electronic nicotine delivery systems (ENDS) use, related cognitions, and context among college students. Participants: Respondents were 1229 students attending a mid-sized, northeastern university. Methods: A cross-sectional survey was administered and SPSS was used for…

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…

Objective: Health behavior research suggests that perceived social norms impact health decisions. This study aimed to (a) examine reasons for vaccine hesitancy among a sample of college students compared to a clinical sample (b) examine the accuracy of perceptions of others' receptivity and intention to seek out the COVID-19 vaccine, and (c)…

Objective: College campuses report alcohol and other drug policy violations as the most frequent reason students receive disciplinary referrals and, thus, are mandated to programming. This study sought to determine predictors of mandated students' alcohol use frequency, and the likelihood of early-onset alcohol using college students enrolled in…

Objective: In 2016 a private Missouri university implemented a campus-wide tobacco-free policy to change social norms and prevent tobacco use among students, staff and faculty. This study assesses impact on tobacco and policy-related perceptions and behaviors. Methods: Before the policy went into effect and again one year later, all university…

Objective: While cigarette smoking in the United States has declined, the age range of smoking initiation has risen to include young adults. This study investigated the relationship of Theory of Planned Behavior constructs (TPB; attitudes, subjective norms, and perceived behavioral control [PBC]) to nonsmoking intention among college students.…

Objective: The current study examined accuracy in estimating campus norms for eating disorder (ED) pathology and the impact of normative feedback on intentions to help friends. Participants: The sample included 130 undergraduate women. Method: Participants estimated prevalence of ED pathology and were randomly assigned to normative feedback or a…

Objective: Given the high prevalence of sexual assault on U.S. college campuses, the current study examines predictors of college students' intentions to intervene to prevent sexual assault through the lens of the theory of normative social behavior (TNSB). Participants: One hundred eighty-six undergraduate students age 18-25 were recruited from…

Objective: Studies conducted with Latina/o populations suggest there are gendered norms surrounding drinking behavior, but research examining alcohol use among Latina college students in the context of traditional feminine gender role (TFGR) norms, is scarce. Participants and Methods: 405 Latina undergraduates completed a web-based study of…

Objective: To assess awareness about prolonged sitting and acceptance of interventions to reduce bouts of prolonged sitting. Participants: Undergraduate, graduate, and professional students and faculty from a large public university. Methods: Eight focus groups were conducted with 4 groups of undergraduate students and 4 groups of…