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| Criterion |  DevOps Blameless Postmortem |  Facilitation Lean Coffee |  Facilitation World Café |  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 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. | 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. | 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 | Low | Medium | Medium |
Timedifferent | 30-90 min | 30-90 min | 60-180 min | 45-90 min |
Participantsdifferent | 3-12 | 3-20 | 12-100+ | 8-80 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Prioritized Topics, Discussion Notes, Action Items | Table Notes, Emergent Themes, Shared Questions | Discussion Insights, Observed Tensions, Follow-up Questions |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | FacilitationAutonomyDialogue | FacilitationDialogueLarge groupSensemaking | FacilitationDialogueLarge group |