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| Criterion |  Facilitation Barcamp |  Operations Root Cause Tree Analysis |  DevOps Blameless Postmortem |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | 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 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. | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. | 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 | Halber Tag bis 2 Tage | 1-3 h | 30-90 min | 15-30 min |
Participantsdifferent | 15-200 | 2-8 | 3-12 | 2-6 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Session Board, Session Notes, Community Learnings | Cause Tree, Evidence Notes, Countermeasures | Postmortem Doc, Action Items, Timeline | Root cause notes, Countermeasures |
Tagsno overlap | FacilitationLarge groupLearning | Root causeTreeIncidentQuality | Site Reliability EngineeringIncidentLearningReliability | Root causeIncidentLeanProblem solving |