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| Criterion |  DevOps Blameless Postmortem |  Facilitation Barcamp |  Agile 4Ls Retrospective |  Facilitation Fishbowl Discussion |
|---|---|---|---|---|
Purposedifferent | 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. | 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 sprint should not only be assessed but also learned from, it captures experience in clear learning categories. It records what worked, what's missing, and what should run differently next time. | When a controversial topic needs depth and discipline at the same time, Fishbowl Discussion makes the structure of the conversation transparent. The format keeps the core small enough for real dialogue and open enough for controlled turnover. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 30-90 min | Halber Tag bis 2 Tage | 45–75 min | 45-90 min |
Participantsdifferent | 3-12 | 15-200 | Team members involved | 8-80 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Session Board, Session Notes, Community Learnings | 4Ls Board, Learning Themes, Improvement Actions | Discussion Insights, Observed Tensions, Follow-up Questions |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | FacilitationLarge groupLearning | RetrospectiveLearningReflectionTeam | FacilitationDialogueLarge group |