The IBM study (Fagan's paper) contains claims that seem to contradict Boehm's graph and no numerical results that clearly correspond to his data points. Boehm doesn't even cite a paper for the TRW data, except when writing for "Making Software" in 2010, and there he cited the original 1976 article.
Myers initially introduced the separation of debugging from testing in 1979.
More than a third of this cost could be avoided, if better software testing was performed. Outsourcing software testing because of costs is very common, with China, the Philippines, and India being preferred destinations. === Roles === Software testing can be done by dedicated software testers; until the 1980s, the term "software tester" was used generally, but later it was also seen as a separate profession.
Whether they are looking for speed or test depth, they can use combinatorial test design methods to build structured variation into their test cases. === Economics === A study conducted by NIST in 2002 reports that software bugs cost the U.S.
traditional : Should testers learn to work under conditions of uncertainty and constant change or should they aim at process "maturity"? The agile testing movement has received growing popularity since 2006 mainly in commercial circles, whereas government and military software providers use this methodology but also the traditional test-last models (e.g., in the Waterfall model). Manual vs.
The IBM study (Fagan's paper) contains claims that seem to contradict Boehm's graph and no numerical results that clearly correspond to his data points. Boehm doesn't even cite a paper for the TRW data, except when writing for "Making Software" in 2010, and there he cited the original 1976 article.
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