Wait, what, I'm not the GP, but: Which claim are you referring to here? 1. Your unsubstantiated claim of ADHD being overdiagnosed 2. GP's unsubstantiated cla

Wait, what, I'm not the GP, but: Which claim are you referring to here? 1. Your unsubstantiated claim of ADHD being overdiagnosed 2. GP's unsubstantiated claim of "Every X knows Y" The null hypothesis must be "ADHD diagnostic criteria has high specificity", because without that it's not diagnosis. What evidence do you have to demonstrate low specificity?