arXivVictoria Lin, Taedong Yun, Maja Matarić, John Canny, Arthur Gretton, Alexander D'AmourTue, May 19, 2026, 11:09 PM PDT

score 16.9

LLM experiments have hidden bias from behavior shifts

Original: The Illusion of Intervention: Your LLM-Simulated Experiment is an Observational Study

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