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| Criterion |  Product Discovery Solution Interview |  Product Discovery Pretotyping |  Innovation Design Thinking |  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. | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | 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 | 1 Tag bis mehrere Wochen | Wochen bis Monate je Lernzyklus |
Participantsdifferent | 5-10 Interviews | 1-4 | 4-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | Problem Statement, Prototype, Test Learnings | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tagsno overlap | ValidationInterviewsPrototype | ValidationDemandMVP | InnovationPrototypeResearch | LeanStartupValidationMVP |