> > Maybe person C in a parralell identical universe becomes
> > person D, the only difference between C & D is that D is deluded
> > into believing she can achieve 100 and achieves 80.
>
> No, I was assuming that C was correct in that 70 is the maximum
> achievable. This thought experiment would be easier to follow
> if you tell me what the true maximum is so we can tell whether
> someone is correct in their belief.
I think Tony is trying to make the point here, that the maximum achievable
is dependent upon the maximum /believed/ achievable. That what subjects
A, B, C, & D think they can achieve is an element in the formula for
computing how much they actually can achieve.
-Prof. Tim