One Bias Score, Two Factors: How Mitigations Affect Option Bias in Multiple-Choice Evaluation
arXiv:2610.20993v1 Announce Type: new Abstract: 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). We connect these perspectives through…
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- 2026-10-16 04:00 · arXiv cs.CL
One Bias Score, Two Factors: How Mitigations Affect Option Bias in Multiple-Choice Evaluation