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We examined whether scientific reasoning is associated with health-related beliefs and behaviors over and above general analytic thinking ability in the general public ( N  = 783, aged 18-84). Health-related beliefs included: anti-vaccination attitudes, COVID-19 conspiracy beliefs, and generic health-related epistemically suspect beliefs. Scientific reasoning correlated with generic pseudoscientific and health-related conspiracy beliefs and COVID-19 conspiracy beliefs. Crucially, scientific reasoning was a stronger independent predictor of unfounded beliefs (including anti-vaccination attitudes) than general analytic thinking was; however, it had a more modest role in health-related behaviors.

Adolescents, as active online searchers, have easy access to health information. Much health information they encounter online is of poor quality and even contains potentially harmful health information. The ability to identify the quality of health messages disseminated via online technologies is needed in terms of health attitudes and behaviors. This study aims to understand how different ways of editing health-related messages affect their credibility among adolescents and what impact this may have on the content or format of health information. The sample consisted of 300 secondary school students (Mage = 17.26; SDage = 1.04; 66.3% female). To examine the effects of manipulating editorial elements, we used seven short messages about the health-promoting effects of different fruits and vegetables. Participants were then asked to rate the message's trustworthiness with a single question. We calculated second-order variable sensitivity as the derivative of the trustworthiness of a fake message from the trustworthiness of a true neutral message. We also controlled for participants' scientific reasoning, cognitive reflection, and media literacy. Adolescents were able to distinguish overtly fake health messages from true health messages. True messages with and without editorial elements were perceived as equally trustworthy, except for news with clickbait headlines, which were less trustworthy than other true messages. The results were also the same when scientific reasoning, analytical reasoning, and media literacy were considered. Adolescents should be well trained to recognize online health messages with editorial elements characteristic of low-quality content. They should also be trained on how to evaluate these messages. [ABSTRACT FROM AUTHOR]

The COVID-19 pandemic highlighted the need to examine factors related to questionable health behavior, such as avoiding recommended preventive guidelines. This paper aimed to explore whether behavior reflecting active avoidance of preventive measures against COVID-19 (curfew regulations, hygiene, facial masks, and social distancing) was best predicted by personality traits (Big Five), health beliefs, or feelings of threat. Thousand and twenty-four adults (486 men, 536 women) aged between 18 - 81 years participated in the study, which was run in early November 2020, when the second wave in Slovakia started to gain momentum and a strict lockdown was issued. Results showed that health threat was connected with having fewer questionable health beliefs, while economic threat was connected with having more ques- tionable health beliefs, and together these factors were the strongest predictors of avoiding preventive regulations. From personality traits, higher Extraversion and lower Agreeableness predicted questionable health behavior, but together they added only 2.4% of explained variance. Our results highlight the fact that one year after the outbreak, the COVID-19 pandemic is no longer only (if it ever was) a health threat. The shift from health focus to the economic and socio-political threat should not be taken lightly, as it has implications for adherence to preventive measures against COVID-19 and people's beliefs regarding the pandemic. [ABSTRACT FROM AUTHOR]