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| Criterion |  Product Discovery Learning Card |  DevOps Blameless Postmortem |  Product Discovery Smoke Test |
|---|---|---|---|
Purposedifferent | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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 only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 25-40 min | 30-90 min | 1-5 Tage |
Participantsdifferent | 1-5 | 3-12 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Learning Card with evidence and next action | Postmortem Doc, Action Items, Timeline | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | ExperimentsValidationDiscoveryLearning | Site Reliability EngineeringIncidentLearningReliability | ValidationExperimentsDemandGrowth |
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