Using Percentage Complete to Measure Progress
The most common way to measure progress is to simply estimate percentage complete. This is the BCWP measure, but BCWP is expressed as a dollar value, whereas percentage complete does not make that conversion.
When percentage complete measures are plotted over time, you tend to get a curve like the one shown in Figure 9-8. It rises more or less linearly up to about 80 or 90 percent, then turns horizontal (meaning no further progress is being made). It stays there for a while; then, all of a sudden, the work is completed.
Figure 9-8. Percent complete curve.
The reason is that problems are often encountered ...
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