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| Criterion |  Operations Time Blocking |  Product Discovery Fake Door Test |  Product Discovery Smoke Test |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
Purposedifferent | With a calendar that grows on request, the method makes available time explicit again. It combines appointments, focus work, and buffer into a more realistic day structure. | 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. | When demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 15-30 min Planung, laufend | 1-5 Tage | 1-5 Tage | 45-75 min |
Participantsdifferent | 1 | Nutzertraffic | Nutzertraffic | 2-8 |
Formatdifferent | Async | Async | Async | Workshop |
Outputdifferent | Blocked Calendar, Capacity View, Focus Plan | Click Data, Interest Signal, Learning Decision | Interest Metrics, Conversion Signal, Learning Note | Test Matrix, Test Plan |
Tagsno overlap | PlanningTime managementFocus | ValidationExperimentsDemandDiscovery | ValidationExperimentsDemandGrowth | ExperimentsValidationDiscoveryOptions |