In this 23rd episode of Casual Inference Ellie Murray and Lucy D'Agostino McGowan chat about fixed vs random effect, complete a statistics challenge, and talk about DAGs. ? Tweet from @jtc475 about fixed vs random effects terminology ? This is Statistics March Randomness Challenge ? Lucy, Kyra, and Ellie's paper "Quantifying Uncertainty in Infectious Disease Mechanistic Models" PeDAGogy Here are the two Bridgerton DAGs we discussed. 1. Tweet submitted by @IGMoore:  2. Tweet submitted by @AlenaSorensen Follow along on Twitter: The American Journal of Epidemiology: @AmJEpi Ellie: @EpiEllie Lucy: @LucyStats ? Our intro/outro music is courtesy of Joseph McDade. ?‍? Our artwork is by Allison Horst.