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| Criterion |  Operations DMAIC |  Growth A/B Testing |  Decision Making DACI |  Decision Making Decision Rights Mapping |
|---|---|---|---|---|
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 two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | 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. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. |
Complexitydifferent | High | High | Low | Medium |
Timedifferent | 2-12 Wochen | 1-4 Wochen | 30-60 min | 90-180 min |
Participantsdifferent | 3-10 | 1-6 | 2-10 | 4-12 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Project Charter, Measurement Plan, Cause Analysis, Control Plan | Experiment results, Decision log, Learning summary | DACI Matrix, Decision Owner, Decision Log | Decision Rights Matrix, Agreement |
Tagsno overlap | Continuous improvementQualityProcess improvement | ExperimentsGrowthAnalyticsValidation | DecisionRolesGovernanceAlignment | DecisionGovernanceAlignmentResponsibility |