Formal quality assurance principles / fundamentals are based on a number of precepts that are not a good fit for the realities of software development today. Below are six precepts among the most prevalent-and erroneous-in the field today:
Assumption 1: Quality Requirements Dictate the Schedule
Fact For most software systems, market forces and competition dictate the schedule.
Traditional [...]

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For most software development organizations, ensuring quality means dealing with defects. Three generic ways to deal with defects include:
1) Defect Prevention2) Defect Detection and removal 3) Defect Containment.
Defect prevention through error blocking or error source removal: These QA activities prevent certain types of faults from being injected into the software. Since errors are [...]

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ISO-9126 offers a comprehensive framework to describe many attributes and properties we associate with quality. There is a strict hierarchy, where no sub-characteristics are shared among quality characteristics. However, certain product properties are linked to multiple quality characteristics or sub-characteristics. For example, various forms of redundancy affect both efficiency and maintainability.
Consequently, various alternative quality frameworks [...]

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