Updating beliefs via Bayes' Rule

We talk a lot in education about “using data,” and my general take is that the phrase “using data” doesn’t actually mean anything. But, if we want to be gracious and ignore all of the vagaries that come along with that phrase, then I think that “applying Bayes’ Rule”

Stuffed Animals and Too Much Data

I have a 4-year-old daughter who owns a truly staggering number of stuffed animals, which she calls “stuffies.” Probably literally 60 or so. She sleeps in a full-sized bed, and if she puts all of her stuffies on her bed – some of which are bigger than her – there’s very