One Bias Score, Two Factors: How Mitigations Affect Option Bias in Multiple-Choice Evaluation
Reordering multiple-choice options can change a model's answer, an effect studied as selection bias (a preference for certain option letters) and as order sensitivity (changes in answers across option orderings).
By Hyunjong Ok, Minjae Park, Jaeho LeearXiv - cs.CL (NLP)
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Originally published by arXiv - cs.CL (NLP) on Oct 16, 2026.
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