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| Criterion |  Innovation Lean Startup |  Product Discovery Problem Interview |  Product Discovery Learning Card |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
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 the picture of the problem still needs to become solid, it asks about real situations and consequences. It separates genuine suffering from mere interest in a solution. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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 | Medium | Medium | Low | Medium |
Timedifferent | Wochen bis Monate je Lernzyklus | 30-60 min je Interview | 25-40 min | 45-75 min |
Participantsdifferent | 2-8 | 5-12 Interviews | 1-5 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Problem Evidence, Risk Notes, Customer Segments | Learning Card with evidence and next action | Test Matrix, Test Plan |
Tags1 shared | LeanStartupValidationMVP | DiscoveryInterviewsValidation | ExperimentsValidationDiscoveryLearning | ExperimentsValidationDiscoveryOptions |