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| Criterion |  Operations Time Blocking |  Innovation Lean Startup |  Product Discovery Riskiest Assumption Test |  Product Discovery Fake Door Test |
|---|---|---|---|---|
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. | 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 an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. | 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. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 15-30 min Planung, laufend | Wochen bis Monate je Lernzyklus | 1-2 Wochen pro Iteration | 1-5 Tage |
Participantsdifferent | 1 | 2-8 | 2-6 | Nutzertraffic |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | Blocked Calendar, Capacity View, Focus Plan | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Prioritized Assumption List, Test Plan, Results Report | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | PlanningTime managementFocus | LeanStartupValidationMVP | ExperimentsValidationDiscoveryAssumptions | ValidationExperimentsDemandDiscovery |