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| Criterion |  Product Discovery Assumption Mapping |  DevOps Blameless Postmortem |  Product Discovery Riskiest Assumption Test |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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 hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 45-60 min | 30-90 min | 1-2 Wochen pro Iteration | 25-40 min |
Participantsdifferent | 2-8 | 3-12 | 2-6 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Assumption map, Test backlog, Risk ranking | Postmortem Doc, Action Items, Timeline | Prioritized Assumption List, Test Plan, Results Report | Learning Card with evidence and next action |
Tagsno overlap | AssumptionsRiskExperimentsValidation | Site Reliability EngineeringIncidentLearningReliability | ExperimentsValidationDiscoveryAssumptions | ExperimentsValidationDiscoveryLearning |