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| Criterion |  Operations After-Action Review |  Facilitation Stakeholder Mapping |  DevOps Blameless Postmortem |  Operations Learning Review |
|---|---|---|---|---|
Purposedifferent | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | 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. | 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. | After a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 20-45 min | 60–90 min | 30-90 min | 1-3 h |
Participantsdifferent | 3-12 | 2-8 | 3-12 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Lessons learned, Action items, Event summary | Stakeholder Map, Engagement Plan, Risk Notes | Postmortem Doc, Action Items, Timeline | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | LearningOperationsImprovement | StakeholdersAlignmentFacilitationChange | Site Reliability EngineeringIncidentLearningReliability | LearningRetrospectiveIncidentOperations |