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| Criterion |  DevOps Blameless Postmortem |  Product Discovery Fake Door Test |  Growth Growth Experiment |
|---|---|---|---|
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. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. | When growth ideas surface quickly, the temptation to build immediately instead of learning is high. A Growth Experiment frames an assumption so target group, lever, and measurement are clear before the first deployment. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 30-90 min | 1-5 Tage | 1-2 Wochen |
Participantsdifferent | 3-12 | Nutzertraffic | 1-6 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Click Data, Interest Signal, Learning Decision | Experiment card, Result summary, Next bet |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | ValidationExperimentsDemandDiscovery | MarketingGrowthExperimentsLearning |
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