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| Criterion |  DevOps Blameless Postmortem |  Facilitation Fishbowl Discussion |  Facilitation World Café |
|---|---|---|---|
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 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. | When a group needs to connect many viewpoints in a short time, World Café creates a calm alternation between closeness and rotation. It sets thinking in motion without forcing the conversation into full-plenary rigidity. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 30-90 min | 45-90 min | 60-180 min |
Participantsdifferent | 3-12 | 8-80 | 12-100+ |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Discussion Insights, Observed Tensions, Follow-up Questions | Table Notes, Emergent Themes, Shared Questions |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | FacilitationDialogueLarge group | FacilitationDialogueLarge groupSensemaking |
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