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| Criterion |  Knowledge Modeling Event Modeling |  DevOps Blameless Postmortem |  Product Discovery Learning Card |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | Event Modeling connects business workflows with commands, events, and views into one coherent mental model. It helps design behavior, UI, and technical slices from the same underlying logic. | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 2-6 h | 30-90 min | 25-40 min | 1-5 Tage |
Participantsdifferent | 2-8 | 3-12 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Event Model, UI Flow, Commands, Read Models | Postmortem Doc, Action Items, Timeline | Learning Card with evidence and next action | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | EventsBlueprintDomain-Driven DesignBehavior | Site Reliability EngineeringIncidentLearningReliability | ExperimentsValidationDiscoveryLearning | ValidationExperimentsDemandDiscovery |