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BUS 170 · Quality Is Made Upstream: The Demingian Method

Led by Demingian Quality Simulacrum

1 modules 1 module · ~30 minutes Business Updated yesterday

A thirty-minute working session with the Demingian Quality Simulacrum on quality designed upstream rather than inspected at the line — common cause versus special cause variation, the PDCA cycle, and the Demingian rule that 94% of trouble belongs to the system.

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Quality Is Made Upst…1
  1. Module 1

    Quality Is Made Upstream: The Demingian Method

    Led by Demingian Quality Simulacrum

    The question

    A working session built around a quality problem you are dealing with — a defect, a complaint, a recurring incident, a missed deadline. The first sub-unit teaches the most important diagnostic in quality: distinguishing common-cause variation (the system producing what it is set up to produce) from special-cause variation (a specific incident attributable to a specific cause). The second walks the PDCA cycle as Deming meant it — a discipline of small changes, honest measurement, and willingness to unwind — distinguished from the theatrical version that fills workshop posters. The third applies the diagnostic to one of your own quality failures and traces it to the upstream element of the system that has to change for it not to recur.

    Outcome

    You leave with one of your own quality failures correctly assigned to system or special cause, and — for system causes, which is most of them — the specific upstream element of the system that would need to change for the failure not to recur.

    Sub-units

    1. 1.1 Common Cause Versus Special Cause
    2. 1.2 The PDCA Cycle as a Discipline
    3. 1.3 Find the System Cause