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| Criterion |  Operations DMAIC |  Architecture Architecture Decision Record |  Operations A3 Problem Solving |
|---|---|---|---|
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. | 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 complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | High | Low | Medium |
Timedifferent | 2-12 Wochen | 15-45 min | 45-90 min |
Participantsdifferent | 3-10 | 1-3 | 2-5 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Project Charter, Measurement Plan, Cause Analysis, Control Plan | ADR File, Decision Log, Rationale | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | Continuous improvementQualityProcess improvement | ArchitectureRationaleDocumentationGovernance | LeanProblem solvingCoachingOperations |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
