Inspection quotes

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Robert_N_Britcher

Verification Percent

“Over 70 percent of the technical budget was spent on verification activities such as inspections and testing; only 30 percent was spent designing and writing code.”
  • Source: Britcher, Robert N. (1999). The Limits of Software: People, Projects, and Perspectives. Reading, MA: Addison Wesley. ISBN 0-201-43323-0. Page 117.

W_Edwards_Deming

Theory is a Window

"Theory is a window into the world. Theory leads to prediction. Without prediction, experience and examples teach nothing."
  • Source: W. Edwards Deming, In the book The New Economics for Industry, Government, Education;; (1993), 103. Cambridge, MA: MIT Press.

Quality and Inspection

"Quality comes not from inspection, but from improvement of the production process."
  • Source: W. Edwards Deming (1982) Out Of The Crisis. The MIT Press. (2e ed. 1986) p. 29.

Mass Inspection and Quality

"We cannot rely on mass inspection to improve quality, though there are times when 100 percent inspection is necessary. As Harold S. Dodge said many years ago, 'You cannot inspect quality into a product.' The quality is there or it isn't by the time it's inspected."
  • Source: W. Edwards Deming (1982) Out Of The Crisis. The MIT Press. (2e ed. 1986) p. 139.