用大模型分析中文社交平台婚姻话题，发现自由与责任压力导致婚恋观消极。
Marriage Discourse on Chinese Social Media: An LLM-assisted Analysis
- 基于伦理框架，用大模型分析微博小红书21万条婚姻相关帖子
- 微博多正向，小红书以中性为主；涉及道德时，自由与责任议题多负面
- 揭示个人自由受限与社会义务感是当代中国婚恋消极的重要原因
中国结婚登记数从2013年的1347万对大幅下降至2024年的610万对。本研究利用大语言模型（LLM）对微博和小红书上219,358条婚姻相关帖子进行内容分析，结合Shweder的三大道德伦理框架（自主、社群、神圣），编码情感倾向（正向、负向、中性）与道德要素。结果显示：微博以正向情感为主，小红书则以中性为主；多数帖子未显性呈现道德框架。但当涉及道德时，强调自主与社群的帖子多为负向，而以神圣框架为主的帖子则倾向正向。这表明当代中国婚恋态度的消极，源于对个人自主权受限制及社会共同体义务感的双重焦虑，为制定文化适配的婚育政策提供依据。
原文摘要 · Abstract (English)
China's marriage registrations have declined substantially, dropping from 13.47 million couples in 2013 to 6.1 million in 2024. This study examined sentiment and moral elements underlying 219,358 marriage-related posts from Weibo and Xiaohongshu using large language model (LLM)-assisted content analysis. Drawing on Shweder's Big Three moral ethics framework, posts were coded for sentiment (positive, negative, neutral) and moral elements (autonomy, community, divinity). Results revealed platform differences: Weibo leaned toward positive sentiment, while Xiaohongshu was predominantly neutral. Most posts lacked explicit moral framing. However, when moral elements were invoked, significant associations with sentiment emerged. Posts invoking autonomy and community were predominantly negative, whereas divinity-framed posts tended toward positive sentiment. These findings suggest that concerns about both personal autonomy constraints and communal obligations contribute to negative marriage attitudes in contemporary China, offering insights for culturally informed policies addressing marriage decline.
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