Scrum: un processo di sviluppo Empirico 2 (Scientists Give Their Opinion)

Riporto dal sito di Ken Schwaber

Scientists Give Their Opinion
Why do the defined processes advocated by SEI CMM not measurably deliver? We posed this question to scientists at DuPont Chemical's Advanced Research Facility, where research into biochemical processes is applied to process automation.
The scientists inspected the systems development process. They concluded that many of the processes, rather than being repeatable, defined, and predictable, were unpredictable and unrepeatable. With that, the scientists explained the difference between predictable (defined) and unpredictable (empirical).
A defined process is predictable; it performs the same every time. An empirical process requires close watching and control, with frequent intervention. It is chaotic and unrepeatable, requiring constant measurement and control through intelligent monitoring.
The scientists further stated, "We are most amazed that your industry treats treat these ill-formed processes as defined, and performs them without controls despite their irregular nature. If chemical processes that we don't understand completely were handled in the same way, we would get very unpredictable results."
Regarding the systems development process, the scientists concluded that they are mostly empirical, because :
• Applicable first principles are not present
• The process is only beginning to be understood
• The process is complex
• The process is changing and unpredictable

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Vedi anche: Scrum: un processo di sviluppo Empirico

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Print | posted @ lunedì 29 giugno 2009 19:18

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