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| Criterion |  Operations Root Cause Tree Analysis |  Facilitation World Café |  Operations A3 Problem Solving |
|---|---|---|---|
Purposedifferent | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | When a group needs to connect many viewpoints in a short time, World Café creates a calm alternation between closeness and rotation. It sets thinking in motion without forcing the conversation into full-plenary rigidity. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-3 h | 60-180 min | 45-90 min |
Participantsdifferent | 2-8 | 12-100+ | 2-5 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Cause Tree, Evidence Notes, Countermeasures | Table Notes, Emergent Themes, Shared Questions | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | Root causeTreeIncidentQuality | FacilitationDialogueLarge groupSensemaking | LeanProblem solvingCoachingOperations |
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