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| Criterion |  Systems Thinking VUCA Scan |  Architecture Architecture Decision Record |  Decision Making DACI |
|---|---|---|---|
Purposedifferent | The VUCA Scan helps read difficult situations more precisely. Instead of treating unclarity as generally complicated, the method separates fast change, missing knowledge, systemic entanglement, and ambiguous interpretation. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 30-90 min | 15-45 min | 30-60 min |
Participantsdifferent | 1-10 | 1-3 | 2-10 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | VUCA Map, Response Options, Signal and Learning Plan | ADR File, Decision Log, Rationale | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | SensemakingUncertaintyComplexityStrategyForesight | ArchitectureRationaleDocumentationGovernance | DecisionRolesGovernanceAlignment |
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