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Project successful rate

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  • #39101

    Kamil
    Participant

    Dear all,
    I would like to ask you three question that could be interesting:
    – how many (%) of Six Sigma projects (BB or GB) from yours experience, were failed?
    -how this rate is changing during the Six Sigma development and maturing process?
    -what was the most common cause of the project failure?
    From my humble experience I can say that the main reasons of project failure are any mistakes during the DEFINE phase. Most often –lack of clearly defined goal of the project,
    -lack of clearly defined scope of the project.
    What regards the project failure rate, I can suppose it is about 10%.. What is your experience?
    Best regards,KamiL

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    #118181

    A.S.
    Participant

    At the start (first wave projects) there is a remote chance for failure.We can say zero failure since every one is enthusiastic and eager to complete the project.
    Subsequently the failure rate will vary from 5 to 20 % depends upon the organisation.
    The main  root causes is improper project scoping and selection

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    #119050

    Norbert
    Participant

    First round of project may be 20 percent of failure (like ‘Pareto’), after that down to 5-10 percent would be ok.
    But – not only in six sigma – you should have an operational definition for “failure” (=defect) before you ask anyone for percentages!
    Identified root causes are:
    * no proper project selection (process)* not enough benefit because of wrong assumtions and/or incorrect data a* resource availability problems (Belt, Champion!, Teammembers)* change of priorities
    It’s always better to stop a non-valuable project as early as possible (Define, Measure) than to finish priojects to keep the ‘failure rate’ low.

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