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Thread: SQA Metric

  1. #1
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    SQA Metric

    I'm just wondering ... at my organization we use number of hours effort spent, number of non-compliant (NC). However currently we don’t have customer survey to measure the satisfaction of the product quality. Does anybody have any idea what else can be consider as SQA metric?
    kuvanonda

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    Re: SQA Metric

    customer satisfaction can be measured by the number of problems reported by the customer in your released product...

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    Re: SQA Metric

    We also have that "Post Release Defect" but the difficulty is if you are "Care & Maintenance" center, after you release the patch then when the defect came back the one who investigate defect is development team who do the maintenance so they may not report that as a “Post Release Defect” from their fix (coz they know that it will impact their performance) so just wondering how can we cope this issue (T_T) … any idea?
    kuvanonda

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    Re: SQA Metric

    This is a situation that happens quite a lot in fact. Quality Management should be a shared responsibility between all members of the project or product team. When one group is refusing to cooporate on QM they may not be aware of how QM is benefiting them, or perhaps they feel the information will be missused to rate the developers. In this situation the best course of action is to try and persuade the other stakeholders that QM is a good thing for projects and products and if done effectively, can mitigate the risk of failure to meet the customer's expectations.

    Too often management forces the developers to follow the process without explaining why the process exists. This is a bad thing, because it is much easier to share the responsibility for managing project risk when they understand what's in it for them.

    You might also try measuring customer satisfaction the old way -- send out a short survey and track the trends in a database. If you take the metrics from the survey and also the defect metrics (which is the internal view of quality) you will have a Quality Dashboard that shows a trend, i.e. software process improvements. Be careful of using these metrics across different products because when you summarize data you lose the context, so it may not be understood that some projects have higher complexity, size, ROI, etc than others. It's best to look at the trends than the actual numbers, to assess how quality is changing over time. The counts of defects do not directly show the quality of the system. You can have a "Six Sigma" quality system with only one known defect -- but if the defect is that nobody can log in, it isn't a quality system. Likewise, a system may have thousands of bugs yet be considered quality if the customer can lower their operating costs or increase their business than without it. Defects are not all equal in value to the customer. A critical highest severity and priority defect that costs a $1 to fix is less important than a medium/medium that costs $1M to fix. So, in summary, be careful of applying general QA principles to Software Development. In manufacturing a defect is a defect, but in software engineering all defects are not equal in cost or quality concern.

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    Re: SQA Metric

    Back to the original question:
    Does anybody have any idea what else can be consider as SQA metric?
    <font size="2" face="Verdana, Arial, Helvetica">

    There are many others which can be used to demonstrate the performance and process effectiveness of QA, just a few of them are:
    1. Time to fix defect.
    2. Defects found over time.
    3. Where defects were found (Requirements phase, coding phase, acceptance, system test, etc.)
    4. Defects per lines of code.
    5. Code coverage.
    6. Test coverage.
    7. Defect leakage.
    And many more.
    Personal Comment

    Success is the ability to go from one failure to another with no loss of enthusiasm.
    ~ Winston Churchill ~


    ...Rich Wagner

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    Re: SQA Metric

    xrobotika I like your idea

    all~ thank you for sharing & your time [img]images/icons/smile.gif[/img]
    kuvanonda

 

 

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