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| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Product Discovery Fake Door Test |  Product Discovery Pretotyping |
|---|---|---|---|
Purposedifferent | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | 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. | Pretotyping clarifies whether a customer problem and solution idea create enough real demand. It separates problem, assumption, solution, and evidence, and captures the result as a pretotyping sketch, test setup, and conversion data. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 30-240 min | 1-5 Tage | Stunden bis wenige Tage |
Participantsdifferent | 1-6 | Nutzertraffic | 1-4 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Click Data, Interest Signal, Learning Decision | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | ValidationExperimentsDemandDiscovery | ValidationDemandMVP |
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