Risk-efficacy framework - a new perspective on threat and efficacy appraisal and the role of disparity.

The current study aims to provide a more nuanced understanding of threat and efficacy appraisal and account for the influence of disparity in the accessibility to risk prevention resources in predicting attitudes and behaviors. We propose a Risk-Efficacy Framework by integrating theories, including the extended parallel process model, health belief model, social cognitive theory, and construal level theory of psychological distance to achieve such a goal. An online survey targeting the U.S. population was conducted to empirically test the model ( = 729). The survey measured people's threat and efficacy appraisals related to COVID-19 and its vaccines and their attitudes and behavioral intention. The results of the survey supported the model's propositions. Specifically, perceived susceptibility moderated perceived severity's effects on attitudes and behaviors, such that perceived severity's influence attenuated as perceived susceptibility increased. Perceived accessibility to risk prevention resources moderated the influence of self and response efficacy. The former's effects on attitudes and behaviors increased, and the latter's effects decreased when perceived accessibility was high. The proposed framework provides a new perspective to examine the psychological determinants of prevention adoption and contributes to designing and implementing campaigns distributing prevention to underserved populations. The framework offers insights for risk managers such as public health authorities by articulating the dynamic nature of risks. When communicating early-stage lesser-known risks to the public, campaigns should highlight their severity and the response efficacy of risk solutions. Differently, more resources should be devoted to cultivating self-efficacy for widespread risks with more mitigation resources.