Original ResearchPublished 9 October 2026How different judgment strategies affect accuracy in generative AI text discrimination: BERT-based clustering and hierarchical Bayesian logistic regressionWataru Zaitsu · Mingzhe Jin · Shunichi Ishihara · Satoru Tsuge · Mitsuyuki InabaFrontiers in Artificial Intelligencedoi 10.3389/frai.2026.1918939