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| Criterion |  Operations DMAIC |  Product Strategy DIBB |  Decision Making DACI |
|---|---|---|---|
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. | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. |
Complexitydifferent | High | Low | Low |
Timedifferent | 2-12 Wochen | 1-2 h | 30-60 min |
Participantsdifferent | 3-10 | 2-8 | 2-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Project Charter, Measurement Plan, Cause Analysis, Control Plan | DIBB document, Belief list, Bet list, Learning report | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | Continuous improvementQualityProcess improvement | StrategyDecisionAssumptionsHypothesis | DecisionRolesGovernanceAlignment |
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