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| Criterion |  DevOps Blameless Postmortem |  Facilitation Power Interest Grid |  Facilitation Stakeholder Mapping |  Facilitation 3-Circle Venn Diagram |
|---|---|---|---|---|
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 stakeholders compete for attention at once, the Power Interest Grid sorts them by influence and stake. It turns individual contributions into a visible selection. The result is captured as a Power Interest Grid and a stakeholder-specific strategy. | When an initiative depends on many people, interests, and power dynamics, Stakeholder Mapping systematically orders the environment. It shows who influences, who is affected, and where relationship management or safeguarding matters first. | When three perspectives matter at the same time, a Three-Circle Venn Diagram shows the overlaps and remainders precisely. It makes visible where shared effect arises and where only a partial perspective applies. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 30-90 min | 30-60 min | 60–90 min | 15-45 min |
Participantsdifferent | 3-12 | 2-8 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Power Interest Grid, Strategy per Stakeholder | Stakeholder Map, Engagement Plan, Risk Notes | Venn Diagram, Overlap Notes, Differentiators |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | StakeholdersFacilitationAlignmentPlanning | StakeholdersAlignmentFacilitationChange | ComparisonFacilitationAlignment |