Objective: In May 2021, U.S. states began implementing "vaccination lotteries" encouraging COVID-19 vaccination. Drawing from Prospect Theory and math cognition research, we tested several monetary lottery structures and their framing to determine which would best motivate unvaccinated adults. Method: In two online experiments, U.S.…

Objective: To examine correlates of and barriers to COVID-19 vaccine initiation and intention among college students. Participants: 1,171 students attending a public university in the South. Methods: Multivariate logistic regression was used to assess the correlates of vaccine intention and initiation. Reasons for pursuing or foregoing vaccination…

Misinformation has been a pressing issue since the beginning of the COVID-19 pandemic, threatening our ability to effectively act on the crisis. Nevertheless, little is known about the actual effects of fake news on behavioural intentions. Does exposure to or belief in misinformation about COVID-19 vaccines affect people's intentions to receive…

Objective: The Theory of Planned Behavior has been applied to COVID-19 protective behaviors, but evidence suggests this theory may be less predictive over time and less valid in individualistic societies. The current study applied this theory among American college students as vaccines became available and added perceived risk. Participants: 242…

On college campuses, effective management of vaccine-preventable transmissible pathogens requires understanding student vaccination intentions. This is necessary for developing and tailoring health messaging to maximize uptake of health information and vaccines. The current study explored students' beliefs and attitudes about vaccines in general,…

Objective: The study tested potential factors that differentiated the COVID-19 vaccine-hesitant and -inclined college students and, based on these factors, identified subgroups of the vaccine-hesitant students. Participants: Participants were 1,183 U.S. college students attending four-year universities or community colleges recruited through…

In January 2020, the World Health Organization declared the 2019 novel coronavirus (COVID-19) outbreak to be a public health emergency. More than 500 million cases and more than 6 million deaths have been reported, with these numbers growing each day. A major public health initiative for controlling the COVID-19 pandemic was vaccine development…

The gap in knowledge and information-seeking between high and low socioeconomic status (SES) has been well documented. This study extends this knowledge gap hypothesis to narrative persuasion in the context of parents' knowledge and information-seeking intention concerning adolescents' COVID-19 vaccination. It specifically tests if the gap is…

To examine mental health status, COVID-19 vaccine intention and barriers among college students in the U.S. Participants: Students (n = 337) registered at a large public university in 2021. Methods: Cross-sectional survey data were collected online and analyzed using independent samples t test, chi-square test, and one-way ANOVA. Results: Compared…

Background: Vaccine misinformation has been widely spread on social media, but attempts to combat it have not taken advantage of the attributes of social media platforms for health education. Methods: The objective was to test the efficacy of moderated social media discussions about COVID-19 vaccines in private Facebook groups. Unvaccinated U.S.…

Objective To assess college students' willingness to accept COVID-19 vaccines and the factors that influence their decisions. Participants: Traditional (aged 18-23) undergraduate students at a university in central Texas. Methods: An online survey was administered in fall 2020 to 614 students stratified by sex and race/ethnicity. Results: 40.9% of…

This study aimed to investigate how pre-service teachers' intentions to vaccinate against COVID-19 were related to their perceptions of the causes of COVID-19, which are conspiracy thoughts, perceptions of environmental and faith factors, trust in scientists, and risk perceptions toward COVID-19 vaccines. In this study, a cross-sectional survey…

Background: To examine the relationship between incarceration history and an individual's compliance toward COVID-19 mitigation strategies and vaccination status/intentions. Method: Data are from the "Crime, Health, and Politics Survey" (N = 1,735), a national probability sample of community-dwelling adults aged 18 and above living in…

The aim of the current study was to determine the extent to which Italian people intend to receive a vaccine against SARS-CoV-2 and to investigate its associations with worry, institutional trust and beliefs about the non-natural origin of the virus. A sample of 624 people living in Italy was recruited in April 2020 using an online platform. The…

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)…