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| Criterion |  Operations DMAIC |  Operations Root Cause Tree Analysis |  Operations Scatter Diagram |
|---|---|---|---|
Purposedifferent | For a process problem with fluctuating performance, the method brings analysis and improvement into a disciplined sequence. It creates a framework in which numbers, causes, and control come together. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | When the question is whether two measures are related, the method makes patterns in the data picture visible. It separates felt correlations from relationships that actually show up in the data. |
Complexitydifferent | High | Medium | Low |
Timedifferent | 2-12 Wochen | 1-3 h | 30-90 min |
Participantsdifferent | 3-10 | 2-8 | 1-4 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Project Charter, Measurement Plan, Cause Analysis, Control Plan | Cause Tree, Evidence Notes, Countermeasures | Scatter Plot, Korrelationsnotiz, Hypothesenliste |
Tags1 shared | Continuous improvementQualityProcess improvement | Root causeTreeIncidentQuality | Root causeQualityVisualization |
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