Posts tagged: undergraduate
The Base Rate Fallacy: When a Positive Test Isn't Good Evidence
A 99% accurate test for a rare condition still leaves you more likely than not to be healthy after a positive result. Bayes' theorem explains why the prior matters.
Correlation Is Not Causation, Illustrated With Cat Food
A study shows premium cat food extends feline life. It probably doesn't. A walkthrough of confounders, causal DAGs, and collider bias: the machinery behind each illusion.