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| Criterion |  DevOps Blameless Postmortem |  Domain Modeling EventStorming |  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. | When a domain consists of many events, rules, and states, it creates a shared modeling space for the team. It bundles language, flows, and boundaries before domain knowledge fragments into siloed views. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 30-90 min | 2-8 h | 25-40 min |
Participantsdifferent | 3-12 | 5-12 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Learning Card with evidence and next action |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | Domain-Driven DesignEventsDiscoveryWorkshop | ExperimentsValidationDiscoveryLearning |
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