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| Criterion |  Product Discovery Pretotyping |  Product Discovery Solution Interview |  Innovation Design Sprint |  Innovation Lean Startup |
|---|---|---|---|---|
Purposedifferent | 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 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. | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | 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 | Low | Medium | High | Medium |
Timedifferent | Stunden bis wenige Tage | 30-60 min je Interview | 4-5 Tage | Wochen bis Monate je Lernzyklus |
Participantsdifferent | 1-4 | 5-10 Interviews | 5-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Pretotyping sketch, Test setup, Conversion data, Go or no-go decision | Solution Feedback, Objection List, Validation Notes | Prototype, Test Findings, Decision Rationale | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tags1 shared | ValidationDemandMVP | ValidationInterviewsPrototype | Design sprintPrototypeValidationInnovation | LeanStartupValidationMVP |