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| Criterion |  Operations Visual Management |  DevOps Blameless Postmortem |  Product Discovery Fake Door Test |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
Purposedifferent | With high tempo and many parallel topics, the method makes status, deviations, and priorities visible at a glance. It reduces search effort and prevents what matters from getting lost in daily work. | 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 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 | Low | Medium | Medium | Low |
Timedifferent | Ongoing | 30-90 min | 1-5 Tage | 30-60 min |
Participantsdifferent | 1-20 | 3-12 | Nutzertraffic | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Visual Board, Status Indicators, Exception Cues | Postmortem Doc, Action Items, Timeline | Click Data, Interest Signal, Learning Decision | Completed Experiment Canvas, Success Metric |
Tagsno overlap | SignalsOperationsVisual management | Site Reliability EngineeringIncidentLearningReliability | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryHypothesis |