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stat.ME2026
Proximal Mediation Analysis with Unmeasured Treatment-Induced Confounding
Xiaoying Zhang, Jiawei Shan, Wei Li
Mediation analysis provides a central framework for elucidating causal mechanisms, yet its application is often impeded by treatment-induced confounding, under which the widely use…
stat.ME2026
Beyond Exchangeability: Distribution-Shift-Aware Integration of External Control Data in Randomized Trials
Jiawei Shan, Yiteng Tu, Guanbo Wang +2
Randomized controlled trials (RCTs) are the gold standard for evaluating causal effects but are often costly and difficult to scale; consequently, they are frequently augmented wit…