Asking me to estimate how long something will take is like asking me to guess how many gumballs are in the jar, but I can’t see the jar.
@adhdjesse @codinghorror btw I think I read once that the most accurate way to estimate is to come up with a value, then double it, and then move it up one order of magnitude.
I still do it, and I still miss by a fathom…
I'm currently reading Steve McConnell's new book, Software Estimation: Demystifying the Black Art [http://www.amazon.com/exec/obidos/ASIN/0735605351/codihorr-20]. The section on individual expert judgment provided one simple reason why my estimates are often so horribly wrong:> If you ask a developer to estimate a set of