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| Criterion |  Product Discovery MVP Test Matrix |  DevOps Blameless Postmortem |  Product Discovery Learning Card |
|---|---|---|---|
Purposedifferent | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. | 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. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 45-75 min | 30-90 min | 25-40 min |
Participantsdifferent | 2-8 | 3-12 | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Test Matrix, Test Plan | Postmortem Doc, Action Items, Timeline | Learning Card with evidence and next action |
Tagsno overlap | ExperimentsValidationDiscoveryOptions | Site Reliability EngineeringIncidentLearningReliability | ExperimentsValidationDiscoveryLearning |
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