William M. Briggs

Everybody says the "gold standard" of experimentation, and especially clinical trials, is the randomized controlled trial. A typical view is that "A Randomized Controlled Trial is an experiment or study…

Be sure to read yesterday's post first. One of the screwy consequences of classical statistics is that my odd sample (mixing babies and the patients from the brain cancer ward)…

A standard epidemiological study goes like this: people who have been "exposed" to some thing, say, cell phone radiation, are examined to discover whether or not they have some malady.…