分析播客中抗议行动的表达方式，发现情绪随参与阶段变化。
Podcasts as a Medium for Participation in Collective Action: A Case Study of Black Lives Matter
- 用播客转录文本分析抗议活动的口语表达，分四类参与形式。
- 不同阶段对应不同正面情绪，负面情绪与集体行动负相关。
- 揭示音频媒介中情感动员的特殊性，适合研究数字话语与社会运动者。
我们研究播客讨论中集体行动参与的表达方式，以黑人命也是命（Black Lives Matter, BLM）运动为案例。尽管现有集体行动话语研究多聚焦文本内容，本研究首次针对音频形式，使用结构化播客研究语料库（SPoRC）分析口语中的参与表达，包括问题-解决方案、呼吁行动、意图和执行四类。选取2020年5月与6月重要BLM事件后的播客节目，采用基于社交媒体研究的分层框架提取参与性陈述，并分析其情感维度，检测八种关键情绪及其在不同行动阶段的关联。结果发现情绪模式随阶段变化：呼吁行动、意图和执行阶段突出不同正面情绪；与理论预期相反，集体行动与负面情绪呈负相关。研究增进了对口语数字话语中激进表达的理解，揭示了讨论形式对情感建构的影响。
原文摘要 · Abstract (English)
We study how participation in collective action is articulated in podcast discussions, using the Black Lives Matter (BLM) movement as a case study. While research on collective action discourse has primarily focused on text-based content, this study takes a first step toward analyzing audio formats by using podcast transcripts. Using the Structured Podcast Research Corpus (SPoRC), we investigated spoken language expressions of participation in collective action, categorized as problem-solution, call-to-action, intention, and execution. We identified podcast episodes discussing racial justice after important BLM-related events in May and June of 2020, and extracted participatory statements using a layered framework adapted from prior work on social media. We examined the emotional dimensions of these statements, detecting eight key emotions and their association with varying stages of activism. We found that emotional profiles vary by stage, with different positive emotions standing out during calls-to-action, intention, and execution. We detected negative associations between collective action and negative emotions, contrary to theoretical expectations. Our work contributes to a better understanding of how activism is expressed in spoken digital discourse and how emotional framing may depend on the format of the discussion.
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