Another multi-district litigation (MDL) has hit a jarring speed bump. Claims for Parkinson’s disease (PD), allegedly caused by exposure to paraquat dichloride (paraquat), were consolidated, in June 2021, for pre-trial coordination in MDL No. 3004, in the Southern District of Illinois, before Chief Judge Nancy J. Rosenstengel. Like many health-effects litigation claims, the plaintiffs’ claims in these paraquat cases turn on epidemiologic evidence. To make their causation case in the first ...| Schachtman Law
On this weeks episode of Casual Inference we talk about a “Causal Quartet” a set of four datasets generated under different mechanisms, all with the same statistical summaries (including visualizations!) but different true causal effects. The figures and tables are from our recent preprint: https://arxiv.org/pdf/2304.02683.pdf Given a single dataset with 3 variables: exposure, outcome and covariate (z) how can statistics help you decide whether to adjust for z? It can’t! For example her...|