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| Criterion |  Product Discovery Solution Interview |  Product Discovery Pretotyping |  Product Discovery Wizard of Oz Test |  Innovation Lean Startup |
|---|---|---|---|---|
Purposedifferent | When a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | Pretotyping clarifies whether a customer problem and solution idea create enough real demand. It separates problem, assumption, solution, and evidence, and captures the result as a pretotyping sketch, test setup, and conversion data. | When a new experience would still be too expensive to automate for real, it simulates the outcome behind the scenes. It checks user reaction and value before the technology disappears. | 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. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 30-60 min je Interview | Stunden bis wenige Tage | 2-10 Tage | Wochen bis Monate je Lernzyklus |
Participantsdifferent | 5-10 Interviews | 1-4 | 5-20 Nutzer | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | Prototype Learnings, Manual Effort Notes, Risk List | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tags1 shared | ValidationInterviewsPrototype | ValidationDemandMVP | PrototypeValidationMVP | LeanStartupValidationMVP |