敌对评论与退出公共讨论：中国网络新闻评论区中的社会排斥体验

Online news comment sections were designed as spaces for public deliberation, yet hostile comments have become a routine feature of everyday news engagement. Grounded in the temporal need-threat account of ostracism and the spiral of silence framework, this study examined whether hostile comment experiences relate to withdrawal from public discourse, whether perceived social exclusion and fear of isolation explain this association, and whether perceived platform moderation buffers the first stage of the pathway. A cross-sectional survey was administered to 512 Chinese adults who read or post c