http://www.testingmentor.com/imtesty/2009/11/18/testing-is-sampling/ Treatises on the practice of software testing Sat, 03 Jul 2010 11:49:32 -0400 http://wordpress.org/?v=2.9.2 hourly 1 http://www.testingmentor.com/imtesty/2009/11/18/testing-is-sampling/comment-page-1/#comment-552 I.M. Testy › Random Test Data – Credit Card Numbers Fri, 18 Dec 2009 08:33:58 +0000 http://testingmentor.com/imtesty/2009/11/18/testing-is-sampling/#comment-552 [...] The question every tester must ask him or herself every day when designing tests is how many tests do I need to have any reasonable sense of confidence that risk is minimal and the perception of quality is high. Of course, there is no single right answer here and not magic formula, but since we can’t possibly execute every possible positive or negative test we should at least understand that ultimately testing is sampling. [...] [...] The question every tester must ask him or herself every day when designing tests is how many tests do I need to have any reasonable sense of confidence that risk is minimal and the perception of quality is high. Of course, there is no single right answer here and not magic formula, but since we can’t possibly execute every possible positive or negative test we should at least understand that ultimately testing is sampling. [...]

]]>