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| Criterion |  Innovation Crazy 8s |  Operations Learning Review |  DevOps Blameless Postmortem |  Operations After-Action Review |
|---|---|---|---|---|
Purposedifferent | 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 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 | 8-15 min | 1-3 h | 30-90 min | 20-45 min |
Participantsdifferent | 1-10 | 3-10 | 3-12 | 3-12 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Sketch Set, Idea Shortlist, Direction Options | Learning Review Notes, System Factors, Improvement Actions | Postmortem Doc, Action Items, Timeline | Lessons learned, Action items, Event summary |
Tagsno overlap | BrainstormingSketchingSpeedDivergenceDesign sprint | LearningRetrospectiveIncidentOperations | Site Reliability EngineeringIncidentLearningReliability | LearningOperationsImprovement |