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| Criterion |  Operations ABC Analysis |  Operations Learning Review |  DevOps Blameless Postmortem |  Operations After-Action Review |
|---|---|---|---|---|
Purposedifferent | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | 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. | 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. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 30-60 min | 1-3 h | 30-90 min | 20-45 min |
Participantsdifferent | 1-5 | 3-10 | 3-12 | 3-12 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | ABC Classification, Focus Rules, Control List | Learning Review Notes, System Factors, Improvement Actions | Postmortem Doc, Action Items, Timeline | Lessons learned, Action items, Event summary |
Tagsno overlap | PrioritizationOperationsPortfolio | LearningRetrospectiveIncidentOperations | Site Reliability EngineeringIncidentLearningReliability | LearningOperationsImprovement |