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| Criterion |  Operations Time Blocking |  Product Discovery Fake Door Test |  Innovation Lean Startup |  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. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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 | Medium | Medium |
Timedifferent | 15-30 min Planung, laufend | 1-5 Tage | Wochen bis Monate je Lernzyklus | 45-75 min |
Participantsdifferent | 1 | Nutzertraffic | 2-8 | 2-8 |
Formatdifferent | Async | Async | Workshop + async | Workshop |
Outputdifferent | Blocked Calendar, Capacity View, Focus Plan | Click Data, Interest Signal, Learning Decision | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Test Matrix, Test Plan |
Tagsno overlap | PlanningTime managementFocus | ValidationExperimentsDemandDiscovery | LeanStartupValidationMVP | ExperimentsValidationDiscoveryOptions |