Preprint
Aug 2026
Anchoring Bias in LLM-as-a-Judge Systems: Prior Scores Compromise Evaluation Independence
It is shown that prior scores, even when included only as context metadata, anchor judgments and systematically shift ratings toward their values, and effective mitigation must be validated for the intended model and task or domain.
A. Kapetanović, Kemal Altwlkany, Andro Merćep et al.
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