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| Criterion |  Operations After-Action Review |  Systems Thinking Futures Wheel |  DevOps Incident Command |  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. | The Futures Wheel helps explore the consequences of a decision, a trend, or a strategic move in a structured way. It makes visible which first, second, and third-order effects could arise from an event. | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. | 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 | Medium | Medium | Medium |
Timedifferent | 20-45 min | 60-120 min | As needed | 30-90 min |
Participantsdifferent | 3-12 | 3-10 | 4-15 | 3-12 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Lessons learned, Action items, Event summary | Futures Wheel, Consequence Chains, Strategic Signals | Incident Log, Action Tracker, Stakeholder Updates | Postmortem Doc, Action Items, Timeline |
Tagsno overlap | LearningOperationsImprovement | ForesightSystems thinkingSignals | IncidentOperationsReliability | Site Reliability EngineeringIncidentLearningReliability |