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| Criterion |  Systems Thinking CATWOE Analysis |  Operations 5 Whys |  Decision Making DACI |
|---|---|---|---|
Purposedifferent | CATWOE structures a problem from six viewpoints and prevents too narrow a view of the situation. Different experiences of the system become comparably discussable this way. | 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 | 45-90 min | 15-30 min | 30-60 min |
Participantsdifferent | 3-8 | 2-6 | 2-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints | Root cause notes, Countermeasures | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | Systems thinkingFramingStakeholders | Root causeIncidentLeanProblem solving | DecisionRolesGovernanceAlignment |
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