> There is no perfect scientific study, if you critique all of them to the point you critique this one, you will dismiss more-or-less all science. It doesn't h

> There is no perfect scientific study, if you critique all of them to the point you critique this one, you will dismiss more-or-less all science. It doesn't have to be perfect, it has to convincingly (to some degree) reject the null hypothesis, as per GP's own words. And that doesn't dismiss more-or-less all science, it more or less sets the lower bar for what constitutes science in the first place.