Such a rewarding project with @gabeloewinger.bsky.social and the team!

Participant blinding is a SUPER old idea: as late as 1784!! Yet (un)blinding seems (to me) still poorly understood, e.g., compared to confounding, selection bias. I hope our work clarifies some issues, esp. in mental health RCTs

Fair comparisons of causal parameters with many treatments and positivity violations Comparing outcomes across treatments is essential in medicine and public policy. To do so, researchers typically estimate a set of parameters, possibly counterfactual, with each targeting a different ...

New-ish paper alert! arxiv.org/abs/2410.13522
 
We tackle the challenge of comparing multiple treatments when some subjects have zero prob. of receiving certain treatments. Eg, provider profiling: comparing hospitals (the “treatments”) for patient outcomes. Positivity violations are everywhere.