Tuesday, September 7, 2010

Finding faults early

It is commonly believed that the earlier a defect is found the cheaper it is to fix it.[16] The following table shows the cost of fixing the defect depending on the stage it was found.[17] For example, if a problem in the requirements is found only post-release, then it would cost 10–100 times more to fix than if it had already been found by the requirements review.

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