Estimation Is Not a Commitment
Estimation Is Not a Commitment
You’ve probably heard that estimation is not a commitment. Sometimes in teams using estimation techniques, some form of accountability for the accuracy of estimation emerges. This is unfavorable for several reasons:
a) firstly, estimation is an approximation (with some probability), not a definitive result;
b) secondly, when accountability kicks in, project games emerge;
c) there are at least several factors causing estimation to differ from the actual time spent on a given task: