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| Criterion |  DevOps Blameless Postmortem |  Product Discovery Concierge MVP |  Operations After-Action Review |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
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 an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 30-90 min | 1-4 Wochen | 20-45 min | 30-60 min |
Participantsdifferent | 3-12 | 3-10 Kunden | 3-12 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Concierge Learnings, Service Blueprint, MVP Risks | Lessons learned, Action items, Event summary | Completed Experiment Canvas, Success Metric |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | MVPValidationServiceDiscovery | LearningOperationsImprovement | ExperimentsValidationDiscoveryHypothesis |