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| Criterion |  Innovation Lean Startup |  Product Discovery Assumption Mapping |  Operations Ivy Lee Method |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
Purposedifferent | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. | 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. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | Wochen bis Monate je Lernzyklus | 45-60 min | 5-10 min daily | 1-2 Wochen pro Iteration |
Participantsdifferent | 2-8 | 2-8 | 1 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Assumption map, Test backlog, Risk ranking | Daily Priority List, Completion Notes | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | LeanStartupValidationMVP | AssumptionsRiskExperimentsValidation | PrioritizationProductivityExecution | ExperimentsValidationDiscoveryAssumptions |