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| Criterion |  Innovation Lean Startup |  Product Discovery Problem Interview |  Product Discovery Test Card |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
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 Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | Wochen bis Monate je Lernzyklus | 30-60 min je Interview | 20-35 min | 30-60 min |
Participantsdifferent | 2-8 | 5-12 Interviews | 1-5 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Problem Evidence, Risk Notes, Customer Segments | Test Card with a pre-set threshold | Completed Experiment Canvas, Success Metric |
Tags1 shared | LeanStartupValidationMVP | DiscoveryInterviewsValidation | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis |