>There is also a significant variation in how the same person performs across multiple tasks.
Not only that, sometimes one individual can engineer things 10X better than at other times.
>Do these two engineers have the same experience with the technology at hand?
No, one has 10x the experience.
>How familiar are they with the system they're working on?
Very, one is just 10X more familiar.
>Do they have the same ability to make decisions on the go?
No, one is a 10X better decision maker.
>How easily can they get help?
Both easily, but one of the two only needs help 10X less often.
>There is also a significant variation in how the same person performs across multiple tasks.
Not only that, sometimes one individual can engineer things 10X better than at other times.
>Do these two engineers have the same experience with the technology at hand?
No, one has 10x the experience.
>How familiar are they with the system they're working on?
Very, one is just 10X more familiar.
>Do they have the same ability to make decisions on the go?
No, one is a 10X better decision maker.
>How easily can they get help?
Both easily, but one of the two only needs help 10X less often.