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| Criterion |  DevOps Blameless Postmortem |  Systems Thinking Leverage Points |  Growth A/B Testing |  Product Discovery Learning Card |
|---|---|---|---|---|
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. | Leverage Points show exactly where interventions in a system produce a disproportionate effect. It draws relationships, patterns, and feedback loops. The result is captured as a leverage map and action strategy. | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | High | High | Low |
Timedifferent | 30-90 min | Half day | 1-4 Wochen | 25-40 min |
Participantsdifferent | 3-12 | 3-12 | 1-6 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Leverage Map, Action Strategy | Experiment results, Decision log, Learning summary | Learning Card with evidence and next action |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | Systems thinkingChangeStrategy | ExperimentsGrowthAnalyticsValidation | ExperimentsValidationDiscoveryLearning |