You go into the doc's office. He's not looking happy. He's holding your chart. "Mr Smith, I'm afraid I have some bad news for you." Give it to me straight,…
My Dear Friends, and, yes, Enemies, Happy New Year. As has been our tradition these many years, it’s time to register our predictions for the coming year. We looked at…
Kip Hansen last week gave us the following scenario (which I've pared to bare essentials here, but check the original if you fret): START Sam shows us three cards, two…
It's easy to sound more certain than the evidence warrants, especially when using classical parameter-based statistical methods. I'll show you how. I'll give you the procedure first, then work through…
This is from Gerd Gigerenzer's "Mindless statistics" in The Journal of Socio-Economics, 33, (2004) 587–606. Have a go before looking at the answers (I'm giving my own, not quoting Gigerenzer).…
Note This post originally ran 11 June 2019 under the title "When Cause Is Not A Cause -- Another Anti-P-Value Argument". The post itself is extracted and modified from this…
A terrific success. That's what the first public Broken Science event was in Phoenix last Saturday. Standing room only. A sell-out plus. The talks aren't online yet (as of Sunday…
Dr B asks a question about what to do about sample sizes and hypotheses after the scourge of p-values and null hypothesis significance testing are recognized for what they are.…