{"type": "article", "title": "Position Bias is Hidden Behind Ceiling Effects: A Permutation Diagnostic for LLM Benchmarks", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/position-bias-is-hidden-behind-ceiling-effects-a-permutation-diagnostic-for-llm", "original_source": "https://www.machinebrief.com/news/position-bias-is-hidden-behind-ceiling-effects-a-permutation-32jn", "published": "2026-07-24T04:00:00+00:00", "accessed": "2026-07-24", "id": "position-bias-is-hidden-behind-ceiling-effects-a-permutation-diagnostic-for-llm"}