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| Criterion |  Operations Root Cause Analysis |  Operations Root Cause Tree Analysis |  Facilitation Barcamp |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | 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 many people can contribute knowledge and the flow should stay open, Barcamp provides a framework for self-organized sessions. The format channels energy without defining the content too narrowly in advance. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 1-4 h | 1-3 h | Halber Tag bis 2 Tage | 2-4 h |
Participantsdifferent | 3-8 | 2-8 | 15-200 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Cause Tree, Evidence Notes, Countermeasures | Session Board, Session Notes, Community Learnings | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | Root causeProblem solvingQualityIncident | Root causeTreeIncidentQuality | FacilitationLarge groupLearning | Root causeSafetyIncident |