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| Criterion |  Operations DMAIC |  Operations PDCA Cycle |  Architecture Architecture Decision Record |  Operations Kaizen Event |
|---|---|---|---|---|
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 an improvement that still has to prove itself in everyday work, the method runs it through small learning loops. It connects planning, checking, and standardization into a repeatable learning mode. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. |
Complexitydifferent | High | Low | Low | Medium |
Timedifferent | 2-12 Wochen | 1 h bis mehrere Wochen | 15-45 min | 0.5-5 Tage |
Participantsdifferent | 3-10 | 1-8 | 1-3 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Project Charter, Measurement Plan, Cause Analysis, Control Plan | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | ADR File, Decision Log, Rationale | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update |
Tagsno overlap | Continuous improvementQualityProcess improvement | Continuous improvementLeanExperiments | ArchitectureRationaleDocumentationGovernance | LeanContinuous improvementOperations |