I’ve just read a great series of papers by Denis Cousineau and Jean-Christophe Goulet-Pelletier. They propose a new way to calculate a CI on Cohen’s d in the paired design (e.g., a pre-post study). It’s an approximation, but they show …

Cohen’s d for the Paired Design: A Better Way to Find the Confidence Interval Read more »

It’s World Statistics Day, with the tagline “Connecting the world with data we can trust“. Yes, Tuesday 20 October is the day. (Also the birthday of Lindy, my wife. Maybe there’s a message there somewhere.) Science is under attack around …

WORLD STATISTICS DAY: “Connecting the world with data we can trust” (also, Open Science) Read more »

In brief: Curves picture how likelihood varies across and beyond a CI. Which is better: One curve (plausibility picture) or two (cat’s eye)? Which should we use in ITNS2? Curves can discourage dichotomous decision making based on a belief that …

The Shape of a Confidence Interval: Cat’s Eye or Plausibility Picture, and What About Cliff? Read more »