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| Criterion |  DevOps Blameless Postmortem |  Facilitation Alignment Mapping |  Facilitation Stakeholder Salience Model |  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 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. | When stakeholders appear to matter very differently, the Stakeholder Salience Model rates their actual priority through power, legitimacy, and urgency. It turns individual contributions into a visible selection. The result is captured as a Salience diagram and a class-based strategy. | 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 | Medium | Medium | Low |
Timedifferent | 30-90 min | 1-2 h | 60-90 min | 15-45 min |
Participantsdifferent | 3-12 | 4-12 | 3-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Alignment Map, Open Issues, Decision Questions | Salience Diagram, Strategy per Class | Venn Diagram, Overlap Notes, Differentiators |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | AlignmentStakeholdersStrategyFacilitation | StakeholdersFacilitationAlignmentGovernance | ComparisonFacilitationAlignment |