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epistemic uncertainty
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epistemic-uncertainty-912b8e40·1 events·first seen 21d agoAliases: epistemic uncertainty
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epistemic markersUncertainty Quantificationepistemic-separation regularizerUncertainty CalibrationVerbal Uncertainty Expressiontoken-wise self-certaintyDynamic-Probabilistic Consistency GapMeasuring Epistemic Resilience of LLMs Under Misleading Medical ContextCode Is More Than Text: Uncertainty Estimation for Code Generationoptimism biascounterfactual reasoningstability-plasticity dilemma
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MUSE Framework Disentangles Sycophancy from Epistemic Uncertainty in LLM Conformity
This paper introduces MUSE, a two-stage evaluation framework that separates two distinct mechanisms driving LLM conformity to user pushback: sycophantic conformity (yielding despite high certainty) and uncertainty-driven conformity (yielding proportional to epistemic uncertainty). The authors demonstrate that prior work's attribution of all conformity to RLHF-induced sycophancy is incomplete, as a model's inference-time uncertainty is an independent contributing factor. Ablation studies show both conformity types increase with perceived user expertise and plausibility of user suggestions, pointing toward distinct intervention strategies for each mechanism.