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| Criterion |  Operations Root Cause Analysis |  Operations Root Cause Tree Analysis |  Facilitation Barcamp |  Operations 5 Whys |
|---|---|---|---|---|
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 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. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-4 h | 1-3 h | Halber Tag bis 2 Tage | 15-30 min |
Participantsdifferent | 3-8 | 2-8 | 15-200 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Cause Tree, Evidence Notes, Countermeasures | Session Board, Session Notes, Community Learnings | Root cause notes, Countermeasures |
Tagsno overlap | Root causeProblem solvingQualityIncident | Root causeTreeIncidentQuality | FacilitationLarge groupLearning | Root causeIncidentLeanProblem solving |