Tuesday, March 03, 2009

Software Quality: A Survey of the State of the Art

I happened to come upon an excellent slide show by Capers Jones called Software Quality in 2008: A Survey of the State of the Art. It contains a number of eyebrow-raisers.
  • "Software is blamed for more major business problems than any other man-made product."
  • "Poor software quality has become one of the most expensive topics in human history."
  • 20% of defects can trace their origins to faulty requirements.
  • Studies by Mitre, TRW, and Nippon Electric have found that 60% of shipping defects can be traced to design time.
  • Coding errors account for 25 to 40% of shipping bugs, far less than design-time errors.
  • Quality-excellence investments have an ROI of > $15 per $1 spent
The Jones deck is a quick read and well worth a quick look. You'll be thinking about it long after the 5 minutes you spent looking at it are over.

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