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| Criterion |  Decision Making Eisenhower Matrix |  Operations 8D Problem Solving |  Product Discovery Fake Door Test |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | It separates true priorities from noise so it becomes clear what should be done now, scheduled, delegated, or dropped. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Low | High | Medium | Low |
Timedifferent | 15-30 min | 1-6 Wochen | 1-5 Tage | 25-40 min |
Participantsdifferent | 1-6 | 4-10 | Nutzertraffic | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Eisenhower Matrix, Action List, Delegation Notes | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Click Data, Interest Signal, Learning Decision | Learning Card with evidence and next action |
Tagsno overlap | PrioritizationFocusTasks | QualityProblem solvingRoot cause | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryLearning |