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| Criterion |  Architecture Architecture Decision Record |  Decision Making Argument Mapping |  Delivery Cost of Delay |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | 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. | When statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on. | Helps clarify scope, order, and delivery flow in concrete terms. It makes work, constraints, and sequence manageable. The result is captured as a Cost of Delay table and prioritization sequence. | 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 | Low | Medium | High | Low |
Timedifferent | 15-45 min | 1-3 h | 90-180 min | 30-60 min |
Participantsdifferent | 1-3 | 1-8 | 3-8 | 2-10 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Argument Map, Evidence Gaps, Decision Rationale | CoD Table, Prioritization Sequence | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | SensemakingDecisionRationale | PrioritizationDeliveryEconomicsDecision | DecisionRolesGovernanceAlignment |