期刊
EUROPEAN PSYCHOLOGIST
卷 28, 期 3, 页码 162-172出版社
HOGREFE PUBLISHING CORP
DOI: 10.1027/1016-9040/a000494
关键词
theory of planned behavior; science denialism; planetary health; conspiracy theories
This article conducted a systematic review of 45 articles with 64 randomized controlled trials, finding that health misinformation can harm psychological antecedents of behaviors in 49% of cases. However, no evaluation was made on the impact of misinformation on direct health measures or pro-environmental behaviors, and little research explored its effects on feelings, social norms, and trust.
What does health misinformation look like, and what is its impact? We conducted a systematic review of 45 articles containing 64 randomized controlled trials (RCTs; N = 37,552) on the impact of health misinformation on behaviors and their psychological antecedents. We applied a planetary health perspective by framing environmental issues as human health issues and focusing on misinformation about diseases, vaccination, medication, nutrition, tobacco consumption, and climate change. We found that in 49% of the cases exposure to health misinformation damaged the psychological antecedents of behaviors such as knowledge, attitudes, or behavioral intentions. No RCTs evaluated the impact of exposure to misinformation on direct measures of health or pro-environmental behaviors (e.g., vaccination), and few studies explored the impact of misinformation on feelings, social norms, and trust. Most misinformation was based on logical fallacies, conspiracy theories, or fake experts. RCTs evaluating the impact of impossible expectations and cherry-picking are scarce. Most research focused on healthy adult US populations and used online samples. Future RCTs can build on our analysis and address the knowledge gaps we identified.
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