作者位次 #4/6ACL 2026Findings· Findings of ACL
Decoupling the Effect of Chain-of-Thought Reasoning: A Human Label Variation Perspective
Beiduo Chen · Tiancheng Hu · Caiqi Zhang · Robert Litschko · Anna Korhonen · Barbara Plank
摘要
Reasoning-tuned LLMs utilizing long Chain-of-Thought (CoT) excel at single-answer tasks, yet their ability to model Human Label Variation—which requires capturing probabilistic ambiguity rather than resolving it—remains underexplored. We investigate this through systematic disentanglement experim...