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| Criterion |  Operations DMAIC |  Systems Thinking Evaporating Cloud |  Operations Failure Mode and Effects Analysis |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
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. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | High | Medium | High | Low |
Timedifferent | 2-12 Wochen | 60-120 min | 2-6 h | 45-90 min |
Participantsdifferent | 3-10 | 2-8 | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Project Charter, Measurement Plan, Cause Analysis, Control Plan | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | FMEA Table, Risk Priority, Mitigation Actions | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | Continuous improvementQualityProcess improvement | Theory of ConstraintsAssumptionsSystems thinking | RiskQualityOperationsRoot cause | AssumptionsRiskDecisionDiscovery |