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Estimating Software Costs by Capers Jones

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Chapter 11Activity Pattern Adjustment Factors

It is obvious that serious studies of software processes and practices need data that gets down to the levels of activities and tasks. Data measured only to the project level is inadequate for any kind of in-depth economic analysis, and is worthless for process improvement analysis. This is also true for phase-level measurements based on rudimentary phase structures, such as requirements, design, coding, integration, and testing. However, as of 2007, there are no standard definitions for the sets of activities that should be included in activity-based software measurement studies.

It is very interesting to realize that much of the observed difference in productivity rates among various industries ...

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