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| Criterion |  Innovation Double Diamond |  Knowledge Modeling IBIS |  Architecture Architecture Decision Record |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | 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. | 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 | Wochen bis Monate | 1-3 h | 15-45 min | 30-60 min |
Participantsdifferent | 3-12 | 2-8 | 1-3 | 2-10 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Issue Map, Positions, Argument Notes | ADR File, Decision Log, Rationale | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | ProcessDivergenceInnovation | RationaleKnowledgeDecision | ArchitectureRationaleDocumentationGovernance | DecisionRolesGovernanceAlignment |