主题很重要：选择性暴露研究中语言属性如何塑造阅读行为
Topic Matters: How Linguistic Properties can Shape Reading Behaviour in Selective Exposure Studies
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中文总结 AI 辅助
该研究发现选择性暴露研究中不同争议主题的文本特征与阅读行为存在系统性差异，指出需将主题特定语言属性纳入考量以优化相关研究方法与系统设计。
中文摘要 AI 辅助
选择性暴露研究常借助眼动追踪来探究阅读行为，通常假设在施加基础控制后，不同争议主题的文本具有可比性。但如果主题相关的语言属性会系统性地影响用户的阅读方式和注意力分配，这一假设就存在问题。因此，本研究探讨此类属性是否与选择性暴露情境下的阅读行为差异相关。我们分析了一项实验室研究中的语言特征与眼动数据，该研究共有68名参与者，他们需搜索并阅读关于气候变化和移民政策的新闻文章。结果显示，不同主题间的文本特征和阅读行为均存在系统性差异。这些发现明确了选择性暴露研究中一个重要的方法学混淆因素，并强调在解读眼动追踪测量指标及设计旨在减少信息消费偏差的系统时，需考虑主题特定的语言属性。
英文摘要
Research on selective exposure frequently relies on eye tracking to study reading behaviour, often assuming that texts across different controversial topics are comparable once basic controls are applied. This assumption is problematic if topic-dependent linguistic properties systematically shape how users read and allocate attention. We therefore examine whether such properties relate to differences in reading behaviour in selective exposure contexts. We analyse linguistic features and eye-tracking data from a laboratory study in which 68 participants searched for and read news articles on climate change and migration policy. Our results reveal systematic differences in both textual characteristics and reading behaviour across topics. These findings identify an important methodological confound in selective exposure research and highlight the need to account for topic-specific linguistic properties when interpreting eye-tracking measures and designing systems intended to mitigate biased information consumption.
