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| Criterion |  Architecture Architecture Decision Record |  Decision Making DACI |  Innovation Brainstorming |  Decision Making RAPID |
|---|---|---|---|---|
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. | 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 a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. | In complex management decisions, clarity is often missing about who recommends, who agrees, and who makes the decision. RAPID creates this assignment and stabilizes decisions across several levels. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 15-45 min | 30-60 min | 30-60 min | 45-90 min |
Participantsdifferent | 1-3 | 2-10 | 4-12 | 3-12 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | DACI Matrix, Decision Owner, Decision Log | Idea pool, Theme clusters, Shortlist | RAPID Role Map, Recommendation, Decision Log |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | DecisionRolesGovernanceAlignment | BrainstormingIdeationCreativityWorkshopDivergence | DecisionRolesGovernance |