纵向关系公众及其与议题公众的话语重叠
Longitudinal Relational Publics and their Discursive Overlap with Issue Publics
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中文总结 AI 辅助
该研究提出纵向关系公众概念，通过分析Twitter/X用户数据识别150个纵向公众，发现契合第三空间的空间受众政治异质性最高，可揭示政治交谈进入日常在线生活的路径。
中文摘要 AI 辅助
政治议题的在线讨论并不总是发生在专门用于政治交谈的场所；它们也会出现在至少名义上专注于非政治利益、身份和/或地点的在线空间中。无论人们对政治进入这些“在线第三空间”持何种规范性观点，要了解谁将政治议题带入这些空间、何时带入，都需要大规模研究这些空间。反过来，大规模研究这些空间需要一个既能捕捉发言者和倾听者、又能随时间保持稳定的概念。基于布伦德斯（Bruns）以参与者为中心的个人公众与以帖子为中心的议题公众之间的区分，我们引入了纵向关系网络公众（或简称纵向公众）：它是由具有社会联系的一组创作者产生的话语，与其共享受众给予的持久关注相结合的产物。纵向公众与相关关系概念的不同之处在于三个方面：它锚定于非精英、人口层面受众的关注模式；将公众内部结构视为分析对象，而非假设其同质性；并将受众视为塑造创作者话语的一种力量。在案例研究中，我们从与美国选民记录匹配的Twitter/X用户面板的以下关联中识别出150个纵向公众，然后测量它们与2020年选举政治和“黑人的命也是命”（Black Lives Matter）议题公众的话语重叠，2020年涵盖乔治·弗洛伊德被谋杀及大选的时期。我们发现，最符合第三空间概念的空间拥有政治上最多元的受众，因此拥有跨党派交谈的最大潜在空间。这一结果及其他几项结果表明，关系性、受众感知的概念如何能揭示政治交谈在何处以及通过何人进入日常在线生活。
英文摘要
Online discussions of political issues do not always happen in places explicitly dedicated to political talk; they also arise in online spaces focused on at least nominally apolitical interests, identities, and/or places. Whatever one's normative view of politics entering these ``online third spaces,'' understanding who brings political issues into them, and when, requires studying these spaces at scale. In turn, studying these spaces at scale requires a construct that captures both who is speaking and who is listening, and that holds up over time. Building on Bruns' distinction between participant-centered personal publics and post-centered issue publics, we introduce the longitudinal relational networked public (or, simply, the longitudinal public): the coupling of discourse produced by a socially connected set of creators with the durable attention their shared audience gives it. The longitudinal public departs from related relational constructs in three ways: it is anchored in the attention patterns of a non-elite, population-level audience; it treats within-public structure as an object of analysis rather than assuming homogeneity; and it incorporates the audience as a force that shapes creator discourse. In a case study, we identify 150 longitudinal publics from the following ties of a panel of Twitter/X users matched to U.S. voter records, then measure their discursive overlap with the electoral politics and Black Lives Matter issue publics across 2020, a period spanning the murder of George Floyd and the general election. We find that the spaces that best fit the idea of a third space have the most politically heterogeneous audiences, and thus the most potential room for cross-partisan talk. This result, among several others, shows how a relational, audience-aware construct can reveal where and through whom political talk enters everyday online life.
