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| Criterion |  Facilitation Lean Coffee |  Operations Root Cause Tree Analysis |  Facilitation Barcamp |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | When a group without a fixed agenda needs to get into useful conversations quickly, Lean Coffee structures the start around interests rather than a presentation. The group itself negotiates which topics get time first and which wait. | 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. | 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. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 30-90 min | 1-3 h | Halber Tag bis 2 Tage | 1-4 h |
Participantsdifferent | 3-20 | 2-8 | 15-200 | 3-8 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Prioritized Topics, Discussion Notes, Action Items | Cause Tree, Evidence Notes, Countermeasures | Session Board, Session Notes, Community Learnings | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | FacilitationAutonomyDialogue | Root causeTreeIncidentQuality | FacilitationLarge groupLearning | Root causeProblem solvingQualityIncident |