What can an estimate be used for?
1 comparing alternative technical solutions
2 identify financial commitment
3 as a basis for tendering
4 to measure performance against
What factors affect the estimation process?
1 the type of project
2 the organisation doing the estimate
3 the stage of the project
Why id the project cost underestimated in the initial stages?
1 optimism bias
2 insufficient adjustment - can not see problems in the future
3 over confidence in established probabilities
Why does the cost of the project increase over time?
progressing through stages in the process - there is more information to make a more accurate estimation