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| Criterion |  DevOps Blameless Postmortem |  Systems Thinking Behavior Over Time Graph |  Operations After-Action Review |
|---|---|---|---|
Purposedifferent | 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. | A Behavior Over Time Graph shows how a metric or observation develops over time. The method makes trends, breaks, and recurring patterns visible that get lost in snapshots. | 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 | Medium | Low | Low |
Timedifferent | 30-90 min | 20-45 min | 20-45 min |
Participantsdifferent | 3-12 | 1-10 | 3-12 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Behavior Over Time Graph, Trend Hypotheses, Key Events | Lessons learned, Action items, Event summary |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | Systems thinkingPatternsDynamics | LearningOperationsImprovement |
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