The COVID-19 crisis has exposed the public to considerable scientific uncertainty, which may promote vaccine hesitancy among individuals with lower tolerance of uncertainty. In a national sample of US adults in May–June 2020, we examined how both perceptions of uncertainty about COVID-19 and trait-level differences in tolerance of uncertainty arising from various sources (risk, ambiguity, and complexity) are related to vaccine hesitancy-related outcomes, including trust in COVID-19 information, COVID-19 vaccine intentions, and beliefs that COVID-19 vaccines should undergo a longer testing period before being released to the public. Overall, perceptions of COVID-19 uncertainty were not associated with trust in information, vaccine intentions, or beliefs about vaccine testing. However, higher tolerance of risk was associated with lower intentions to get vaccinated, and lower tolerance of ambiguity was associated with lower intentions to get vaccinated and preferring a longer period of vaccine testing. Critically, perceptions of COVID-19 uncertainty and trait-level tolerance for uncertainty also interacted as predicted, such that greater perceived COVID-19 uncertainty was more negatively associated with trust in COVID-19 information among individuals with lower tolerance for risk and ambiguity. Thus, although perceptions of uncertainty regarding COVID-19 may not reduce trust and vaccine hesitancy for all individuals, trait-level tolerance of uncertainty arising from various sources may have both direct and moderating effects on these outcomes. These findings can inform public health communication or other interventions to increase COVID-19 vaccination uptake. Supplementary Information The online version contains supplementary material available at 10.1007/s10865-022-00302-9.

Literature devoted to understanding the experiences of individuals who do not fit the cultural mold—those who belong to minority, stigmatized, or underrepresented groups—demonstrates that nonnormative status goes hand in hand with a range of negative outcomes. The current research considers a heretofore unstudied correlate of nonnormative status: existential isolation (the feeling of being alone in one’s subjective experience), which differs from feelings of interpersonal isolation (feeling alone with regard to the quantity or quality of one’s relationships). Normative, or mainstream, society may not acknowledge the experiences of those holding a nonnormative status, rendering such individuals at risk of developing heightened feelings of existential isolation. Across Studies 1a and 1b, we found consistently higher trait levels of existential isolation (but not interpersonal isolation) among people with a nonnormative group status than among their normative counterparts. This effect appeared whether we looked at nonnormativeness with regard to race, ethnicity, sexual orientation, citizenship, native language, body weight, religious affiliation, or socioeconomic status. Study 2 highlights one correlate of the existential isolation that accompanies nonnormativeness: decreased certainty with respect to judgments of racism. Implications and suggestions for future research are discussed, including addressing the correlational nature of this research and testing potential mechanisms to explain the link between nonnormative status and existential isolation.

Men's tendency to exhibit withdrawal behaviors during affective communication has been shown to be a point of contention in romantic discord. The current study was designed to examine whether men's desire to facilitate a discussion regarding affective communication would be affected by media portrayals of subtle versus blatant withdrawal; the latter epitomized by a hypermasculine man who opts to leave an emotionally tense situation, while it is evident that his distressed female partner desires communication. To this end, male and female college students participated in an alleged memory experiment for media clips taken from Hollywood films. Viewing a blatant (but not a subtle) withdrawal clip caused men to shy away from facilitating affective communication as compared to controls. This finding was not obvious, given people's documented tendency to attempt to disconfirm group stereotypes when a prime is blatant. We situate findings at the intersection of social psychological and media theorizing.

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