Insights into the "cross-world" independence assumption of causal mediation analysis

30 Sep 2020 Andrews Ryan M. Didelez Vanessa

Causal mediation analysis is a useful tool for epidemiological research, but it has been criticized for relying on a "cross-world" independence assumption that is empirically difficult to verify and problematic to justify based on background knowledge. In the present article we aim to assist the applied researcher in understanding this assumption... (read more)

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