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Practical Project Initiation: A Handbook with Tools by Karl E Wiegers

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Estimation Meeting

The moderator begins the estimation meeting by collecting the participants’ individual estimates and creating a chart such as the one shown in Figure 11-4. Each participant’s total project estimate is plotted as an X on the "Round 1" line. Each estimator can see where his initial value fits along the spectrum. The initial estimates probably will cover a frighteningly large range. Just imagine the different conclusions you might have reached had you asked any one of these five individuals for his estimate!

Initial estimation chart from a Wideband Delphi session.

Figure 11-4. Initial estimation chart from a Wideband Delphi session.

The moderator does not identify who created each estimate. ...

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