So, I wanted to try the new effect size metrics in this paper, but then!
https://www.ncbi.nlm.nih.gov/pubmed/20604592 pic.twitter.com/rIGPoPxdAS
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Oooh, nice! I was using this very package, but didn't know about that function. https://www.rdocumentation.org/packages/mirt/versions/1.30/topics/empirical_ES …