ResearchBenchmarksDialogue Evaluation on USRFollow0.173Spearman's rhoTCVA-0.061-0.000250.06050.12125Apr 4, 2026Evaluation ResultsMethodMethodLinksSpearman's rho95% CI Lower BoundDeltap-valueTCVAT parameter=bestT parameter=best2026.040.1730.0350.0020.48RAGAS2026.040.1710.034——DeepEval2026.04-0.052-0.183——