分析六国议会演讲，发现政治对立情绪普遍存在且相互呼应。
Affective Polarization across European Parliaments
- 用自然语言处理自动分析议员对敌方成员的负面情绪
- 六国议会均存在明显对立情绪，活跃度不影响极化程度
- 互惠性是推动对立情绪的核心机制，适合政治传播研究者
情感极化表现为对对立群体的负面情绪与敌意加剧，已成为全球政治话语的显著特征。本研究以六个国家的欧洲议会为对象，通过全自动方法考察此类极化的存在情况。基于涵盖六国议会演讲的全面语料库，我们运用自然语言处理技术估算议员情感倾向。通过比较议员在提及对立阵营成员与自身阵营成员时所传达的负面情绪水平，发现存在一致的情感极化互动模式。结果表明，六国议会均表现出显著的情感极化现象。尽管活动频率与负面情绪相关，但活跃议员与不活跃议员之间未观察到情感极化程度的差异。最后，我们证明了互惠性是六国议会中议员间情感极化的重要驱动机制。
原文摘要 · Abstract (English)
Affective polarization, characterized by increased negativity and hostility towards opposing groups, has become a prominent feature of political discourse worldwide. Our study examines the presence of this type of polarization in a selection of European parliaments in a fully automated manner. Utilizing a comprehensive corpus of parliamentary speeches from the parliaments of six European countries, we employ natural language processing techniques to estimate parliamentarian sentiment. By comparing the levels of negativity conveyed in references to individuals from opposing groups versus one's own, we discover patterns of affectively polarized interactions. The findings demonstrate the existence of consistent affective polarization across all six European parliaments. Although activity correlates with negativity, there is no observed difference in affective polarization between less active and more active members of parliament. Finally, we show that reciprocity is a contributing mechanism in affective polarization between parliamentarians across all six parliaments.
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