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| Criterion |  Knowledge Modeling IBIS |  Engineering Goal Question Metric |  Architecture Architecture Decision Record |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-3 h | 90-180 min | 15-45 min | 30-60 min |
Participantsdifferent | 2-8 | 3-6 | 1-3 | 2-10 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Issue Map, Positions, Argument Notes | GQM Table, Metric Profiles | ADR File, Decision Log, Rationale | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | RationaleKnowledgeDecision | MetricsMeasurementEngineeringAlignment | ArchitectureRationaleDocumentationGovernance | DecisionRolesGovernanceAlignment |