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| Criterion |  Systems Thinking Evaporating Cloud |  Operations After-Action Review |  DevOps Blameless Postmortem |
|---|---|---|---|
Purposedifferent | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | 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. | 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 | Medium | Low | Medium |
Timedifferent | 60-120 min | 20-45 min | 30-90 min |
Participantsdifferent | 2-8 | 3-12 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Lessons learned, Action items, Event summary | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | Theory of ConstraintsAssumptionsSystems thinking | LearningOperationsImprovement | Site Reliability EngineeringIncidentLearningReliability |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
