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H. Tamba

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Jul 2026

Position Bias is Hidden Behind Ceiling Effects: A Permutation Diagnostic for LLM Benchmarks

Inspect_permute is introduced, an open-source extension to the inspect_ai evaluation framework that runs exhaustive answer-order permutations per question and reports the chi-squared / Cramer V signature of position bias with bootstrap confidence intervals and brackets the detectable region of position-bias measurement.

H. Tamba · arXiv.org · 0 citations