When you get feedback that reveals your ignorance to you, you are calibrating. Calibration is simply the act of using an objective instrument to clear away illusions and adjust your judgement to better reflect reality.
by Peter C. Brown
Checklists … established a higher standard of baseline performance…
Checklists seem able to defend anyone, even the experienced, against failure in many more tasks than we realized. They provide a kind of cognitive net. They catch mental flaws inherent in all of us—flaws of memory and attention and thoroughness. ”
by Atul Gawande
As we know, there are known knowns; there are things we know we know. We also know there are known unknowns; that is to say we know there are some things we do not know. But there are also unknown unknowns – the ones we don’t know we don’t know.