It may also be useful to identify the best thing. The difference between the best and worst is probably a useful measure of quality control as well as ensuring the tests are general enough to detect good as well as bad.
If your process is good enough that this is a problem, then ‘so good you can’t tell it’s not perfect’ could well be the most common case. In any case, it’s most important to concentrate the expertise around the border of OK and not.
It may also be useful to identify the best thing. The difference between the best and worst is probably a useful measure of quality control as well as ensuring the tests are general enough to detect good as well as bad.
If your process is good enough that this is a problem, then ‘so good you can’t tell it’s not perfect’ could well be the most common case. In any case, it’s most important to concentrate the expertise around the border of OK and not.