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| Criterion |  Operations DMAIC |  Agile ROAM Board |  Operations Fishbone Diagram |  Operations Fault Tree Analysis |
|---|---|---|---|---|
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. | When work needs to move between different states or columns, it makes that movement and its handoffs legible. It sorts work by value, risk, and delivery ability. The result is captured as a ROAM Board and an Owner List. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. |
Complexitydifferent | High | Low | Low | High |
Timedifferent | 2-12 Wochen | 20-40 min initial, dann laufend | 30-60 min | 2-6 h |
Participantsdifferent | 3-10 | 3-15 | 2-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Project Charter, Measurement Plan, Cause Analysis, Control Plan | ROAM Board, Owner List | Fishbone Diagram, Cause Categories, Investigation Backlog | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tagsno overlap | Continuous improvementQualityProcess improvement | RiskAgileTrackingAlignment | Root causeQualityOperations | RiskRoot causeSafety |