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<p>As short videos increasingly reshape film and television consumption, it is increasingly common for viewers to choose to review the original film after they watch commentary clips. On the basis of the elaboration likelihood model (ELM) and the human-AI narrative framework, this paper constructs and empirically tests a psychological mechanism model to explore the relationships among narrative modality (AI vs. human), nostalgia arousal and rewatch intention, with explanation depth as a moderating factor. Through three experiments (<i>N</i> = 665), the results revealed that human narration generally elicited greater nostalgia arousal and rewatch intention in knowledge-enriched contexts, whereas AI narration matched or exceeded human performance in low-depth, plot-only conditions. Mediation analyses supported nostalgia arousal as a key mechanism linking narration modality to rewatch intention, with moderation effects observed for narrative depth. This study expands the theoretical understanding of how short video content affects users’ reconsumptions in long video media and provides practical implications for digital platforms in emotional design and content recommendation.</p>

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From narration to nostalgia: How AI vs. Human commentary affects rewatch intentions via nostalgia arousal

  • 期刊论文

  • 发表日期：

    2026年1月19日

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  • Yuhang He,
  • Bo Shu,
  • Songlin Yang,
  • Yeqiansui Yao

摘要

As short videos increasingly reshape film and television consumption, it is increasingly common for viewers to choose to review the original film after they watch commentary clips. On the basis of the elaboration likelihood model (ELM) and the human-AI narrative framework, this paper constructs and empirically tests a psychological mechanism model to explore the relationships among narrative modality (AI vs. human), nostalgia arousal and rewatch intention, with explanation depth as a moderating factor. Through three experiments (N = 665), the results revealed that human narration generally elicited greater nostalgia arousal and rewatch intention in knowledge-enriched contexts, whereas AI narration matched or exceeded human performance in low-depth, plot-only conditions. Mediation analyses supported nostalgia arousal as a key mechanism linking narration modality to rewatch intention, with moderation effects observed for narrative depth. This study expands the theoretical understanding of how short video content affects users’ reconsumptions in long video media and provides practical implications for digital platforms in emotional design and content recommendation.