Updated preprint for @jlfossum's awesome paper on #poweranalysis in #mediationanalysis. The main takeaway is that if you’re simulating normal or nonnormal homoskedastic data you can use joint significance test for power analysis instead of bootstrapping but not if you simulate heteroskedadtic data. #psychology #quantmethods #psychmethods #quantpsych #psychresearch https://psyarxiv.com/5tm2x/