Defect Analysis is not one only key to achieve success but is considered to be one of these keys. Defect analysis is a process that includes both inputs as well as individual defects along with across defects simply by classifications, product lines, revision history, product lines, teams involved, etc. It basically moves teams closer to goal of zero defects.
Defect analysis should be considered as a priority for generating future software development improvements and success. The main target of defect analysis is to analyze defects, identify root causes of defect, and then developing and taking measures or actions to minimize defects. Defect analysis is usually performed with help of knowledge learned and gained from defects that were discovered previously.
Defect Analysis Process :
- Identifying or determining defects is initial step performed in defect analysis.
- Defect that is being identified are analyzed by testers.
- After analyzing, main root cause of defect should be determined and defined.
- After analyzing root cause, various measures and actions should be taken and implemented that are required to fix main root cause of defect so that further re-occurrence of defect can be eliminated or minimized.
- After successful elimination, one needs to validate i.e. check or prove that measures are taken actually prevented defect from re-occurrence.
Advantages of Defect Analysis Process :
- Provide feedback to developers because developers generally improve and increase both quality and productivity of software products.
- By resolving defects, their impact can prevent in other areas.
- Defect analysis reduces re-occurrence of defect, due to which rework required to resolve it is reduced, re-inspection is also reduced, cost required for resolving defect is reduced and costs that is incurred due low software quality is reduced.
- For better defect analysis, there should be proper communication among development teams, testing teams, managers. Therefore, defect analysis improves communication among groups.
- Overall Software Development Life Cycle (SDLC) time is improved. Defects are prevented from re-occurrence due to which time required for rework is reduced or minimized as result of which process cycle time is improved.