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| Criterion |  Facilitation Responsibility Poker |  DevOps Blameless Postmortem |  Operations Root Cause Tree Analysis |  Agile 4Ls Retrospective |
|---|---|---|---|---|
Purposedifferent | When it stays unclear who carries responsibility and who only contributes, Responsibility Poker makes the distribution of responsibility explicit. It sharpens the boundaries between weighing in, deciding, and bearing consequences. | 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 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 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. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 45-90 min | 30-90 min | 1-3 h | 45–75 min |
Participantsdifferent | 3-10 | 3-12 | 2-8 | Team members involved |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Responsibility Map, Role Agreements, Open Questions | Postmortem Doc, Action Items, Timeline | Cause Tree, Evidence Notes, Countermeasures | 4Ls Board, Learning Themes, Improvement Actions |
Tagsno overlap | RolesResponsibilityTeamFacilitation | Site Reliability EngineeringIncidentLearningReliability | Root causeTreeIncidentQuality | RetrospectiveLearningReflectionTeam |