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| Criterion |  DevOps Blameless Postmortem |  Facilitation Stakeholder Mapping |  Facilitation 3-Circle Venn Diagram |  Facilitation Alignment Mapping |
|---|---|---|---|---|
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 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. | When several people work toward one goal but hold different mental maps, Alignment Mapping makes the discrepancies visible. It arranges goals, assumptions, and priorities so shared direction becomes verifiable. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 30-90 min | 60–90 min | 15-45 min | 1-2 h |
Participantsdifferent | 3-12 | 2-8 | 2-8 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Stakeholder Map, Engagement Plan, Risk Notes | Venn Diagram, Overlap Notes, Differentiators | Alignment Map, Open Issues, Decision Questions |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | StakeholdersAlignmentFacilitationChange | ComparisonFacilitationAlignment | AlignmentStakeholdersStrategyFacilitation |