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| Criterion |  DevOps Blameless Postmortem |  Innovation Crazy 8s |  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. | With only a few minutes available and a still-fuzzy solution search, the method forces a wide range of variants. It produces fast sketches before the first idea can settle in, making different directions directly comparable and open to further development. | 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 | 8-15 min | 20-45 min |
Participantsdifferent | 3-12 | 1-10 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Sketch Set, Idea Shortlist, Direction Options | Lessons learned, Action items, Event summary |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | BrainstormingSketchingSpeedDivergenceDesign sprint | LearningOperationsImprovement |
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