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| Criterion |  DevOps Game Day |  DevOps Blameless Postmortem |  Growth A/B Testing |  Operations Learning Review |
|---|---|---|---|---|
Purposedifferent | In preparing for rare incidents, the method tests response capability under controlled conditions. It shows where assumptions about stability, roles, and recovery are too optimistic. | 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. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | 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. |
Complexitydifferent | High | Medium | High | Medium |
Timedifferent | Halber Tag | 30-90 min | 1-4 Wochen | 1-3 h |
Participantsdifferent | 5-20 | 3-12 | 1-6 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Async | Workshop |
Outputdifferent | Simulation Notes, Gaps List, Updated Runbooks | Postmortem Doc, Action Items, Timeline | Experiment results, Decision log, Learning summary | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | ResilienceOperationsIncident | Site Reliability EngineeringIncidentLearningReliability | ExperimentsGrowthAnalyticsValidation | LearningRetrospectiveIncidentOperations |