The forbidding math of finding terrorists
New York subway tests a gun detection technology
Tests
Doping pops up in the news
The world of anti-doping has interesting statistics
On the evidence raised by SAT distractors
Kaiser reads a series of blog posts about SAT testing.
Other numbers from the colonoscopy trial
Kaiser highlights some other metrics from the colonoscopy study
With adjustments comes responsibility
Kaiser explains how adjusted per-protocol analysis leads to different conclusions in the colonoscopy trial.
Why no serious researchers conduct "per protocol" analyses
Or, the importance of random treatment assignment