I guess it depends if you're judging high-C by an internal desire/goal to be conscientious, or by actually planning and executing - because ADHD is characterise

I guess it depends if you're judging high-C by an internal desire/goal to be conscientious, or by actually planning and executing - because ADHD is characterised by a deficiency in the latter. A desire to be conscientious, coupled with continual failure to live up to it... that's what it's like.