Monitor the Performance of the Selected Proposal
Estimation is a fundamental part of good decision making. The quality of the decision depends on the quality of the estimates; bad estimates can easily lead to bad decisions. It's very important for you to “close the loop” on your estimation techniques by comparing the original estimates to the actual outcomes. Otherwise you'll never know if your estimates were any good. This will also help you improve your estimation techniques over time. Use the difference between the original estimates and the actual results to refine your estimation techniques so they account for the factors that made up the differences. There are three parts to this:
Look at where you've been— See if the selected alternative ...
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