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Attacking science on social media: How user comments affect perceived trustworthiness and credibility

机译：在社交媒体上攻击科学：用户评论如何影响感知的可信度和可信度

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摘要

The science on controversial topics is often heatedly discussed on social media, a potential problem for social-media-based science communicators. Therefore, two exploratory studies were performed to investigate the effects of science-critical user comments attacking Facebook posts containing scientific claims. The claims were about one of four controversial topics (homeopathy, genetically modified organisms, refugee crime, and childhood vaccinations). The user comments attacked the claims based on the thematic complexity, the employed research methods, the expertise, or the motivations of the researchers. The results reveal that prior attitudes determine judgments about the user comments, the attacked claims, and the source of the claim. After controlling for attitude, people agree most with thematic complexity comments, but the comments differ in their effect on perceived claim credibility only when the comments are made by experts. In addition, comments attacking researchers' motivations were more effective in lowering perceived integrity while scientists' perceived expertise remained unaffected.
机译：经常在社交媒体上对有争议的话题进行科学讨论，这对于基于社交媒体的科学传播者来说是一个潜在的问题。因此，进行了两项探索性研究，以调查科学关键用户评论攻击包含科学主张的Facebook帖子的影响。这些说法是关于四个有争议的话题之一（顺势疗法，转基因生物，难民犯罪和儿童接种疫苗）。用户评论基于主题的复杂性，所采用的研究方法，专业知识或研究人员的动机来攻击声明。结果表明，先前的态度决定了对用户评论，受攻击的声明以及声明来源的判断。在控制了态度之后，人们最同意主题复杂性的评论，但是只有在专家发表评论时，评论对感知的索赔信誉的影响才有所不同。另外，攻击研究人员动机的评论在降低感知完整性方面更有效，而科学家的感知专业知识却不受影响。

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