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| Criterion |  Product Discovery Fake Door Test |  Operations 8D Problem Solving |  Product Discovery Experiment Canvas |
|---|---|---|---|
Purposedifferent | 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. | 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 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 | High | Low |
Timedifferent | 1-5 Tage | 1-6 Wochen | 30-60 min |
Participantsdifferent | Nutzertraffic | 4-10 | 1-5 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Click Data, Interest Signal, Learning Decision | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Completed Experiment Canvas, Success Metric |
Tagsno overlap | ValidationExperimentsDemandDiscovery | QualityProblem solvingRoot cause | ExperimentsValidationDiscoveryHypothesis |
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