HOWEVER, in the study, they acknowledge this, and also state they have 1400 additional brains to test, that were not self selected.
Ideally, they'd be able to test those brains as well to get the actual numbers. I suspect it's around 15-20%
-
-
Point still remains that it's the same population though (football players who have died), so it's fair to compare.
-
Compare away, but 9% isn't statistically valid (& concl that 5% is "stat sig diff" is unsupported) if 111 aren't part of a random sample
- Voir les réponses
Nouvelle conversation -
Le chargement semble prendre du temps.
Twitter est peut-être en surcapacité ou rencontre momentanément un incident. Réessayez ou rendez-vous sur la page Twitter Status pour plus d'informations.
