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| Criterion |  Knowledge Modeling IBIS |  Operations 5 Whys |  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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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 | Low | Low |
Timedifferent | 1-3 h | 15-30 min | 30-60 min |
Participantsdifferent | 2-8 | 2-6 | 2-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Issue Map, Positions, Argument Notes | Root cause notes, Countermeasures | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | RationaleKnowledgeDecision | Root causeIncidentLeanProblem solving | DecisionRolesGovernanceAlignment |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
