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| Criterion |  Growth A/B Testing |  Architecture arc42 |  Decision Making DACI |
|---|---|---|---|
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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | 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 | 1-4 Wochen | 1-2 Tage | 30-60 min |
Participantsdifferent | 1-6 | 1-4 | 2-10 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Experiment results, Decision log, Learning summary | Architecture Document, Context View, Runtime View, Deployment View | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | ExperimentsGrowthAnalyticsValidation | ArchitectureDocumentationCommunication | DecisionRolesGovernanceAlignment |
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