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| Criterion |  Growth A/B Testing |  Operations RACI Matrix |  Decision Making DACI |  Product Discovery Smoke Test |
|---|---|---|---|---|
Purposedifferent | 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. | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. | 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. | When demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. |
Complexitydifferent | High | Low | Low | Low |
Timedifferent | 1-4 Wochen | 45-90 min | 30-60 min | 1-5 Tage |
Participantsdifferent | 1-6 | 2-8 | 2-10 | Nutzertraffic |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | Experiment results, Decision log, Learning summary | RACI Matrix, Responsibility Map, Decision Notes | DACI Matrix, Decision Owner, Decision Log | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | ExperimentsGrowthAnalyticsValidation | RolesResponsibilityGovernanceOperations | DecisionRolesGovernanceAlignment | ValidationExperimentsDemandGrowth |