July 07 2009
How to apply Defect Removal Efficiency (DRE) metric in projects?
Tagged Under : cmmi, cmmi faq, cmmi maturity level, defect removal efficiency, QA, quality assurance, testing
Q:- I am a Defect Prevention team member in our CMMI Maturity Level 5 company. We are trying to plot the Defect Removal Efficiency (DRE) metric in our projects. I have a few questions:
Our DRE is based on phase level defect injection and detection concepts. If we go closely by the definition of the phase “testing/QA”, bugs should not be injected in testing phase, as this is detection activity. If not then any examples can be useful for me to understand. Can a common DRE format can be utilized for all kinds of projects as in sustaining engineering, maintenance, development and pure testing? Specifically what do to we do for testing or pure QA type of projects? » Read more