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About this paper

Hiroshi Nonaka, K. E. Perry

A quantitative methodology is introduced to evaluate LLM story generation by analyzing the social structures within narratives using signed character networks. This analysis reveals that LLMs consistently produce stories with high-density, overwhelmingly positive social interactions, contrasting with the more complex and conflict-rich relationships found in human-written works.

Key insights

  • LLMs exhibit a consistent and pronounced bias towards creating narratives centered on overwhelmingly positive character relationships and tightly-knit social groups.
  • Human-written stories feature significantly more complex and varied social dynamics, including more intricate and frequent negative interactions, which contribute to dramatic depth and conflict.
  • Network analysis metrics can effectively quantify fundamental differences in storytelling patterns and structural biases between AI-generated and human-authored narratives.

Summary by alphaXiv.

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