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| Criterion |  Operations After-Action Review |  Decision Making Force Field Analysis |  Operations Learning Review |  DevOps Blameless Postmortem |
|---|---|---|---|---|
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. | In change initiatives, supporting and restraining forces sit at the table at the same time. Force Field Analysis makes these tensions explicit and shows where change can be pushed forward by strengthening or relieving. | 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. | 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. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 20-45 min | 45-90 min | 1-3 h | 30-90 min |
Participantsdifferent | 3-12 | 3-12 | 3-10 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Lessons learned, Action items, Event summary | Force Field Map, Change Levers, Risk Notes | Learning Review Notes, System Factors, Improvement Actions | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | LearningOperationsImprovement | ChangeDecisionStrategy | LearningRetrospectiveIncidentOperations | Site Reliability EngineeringIncidentLearningReliability |