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| Criterion |  Product Discovery Solution Interview |  Innovation Lean Startup |  UX Research Surveys |  Innovation Design Sprint |
|---|---|---|---|---|
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. | 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 a topic needs to be validated broadly and many people can answer the same question, surveys gather structured feedback in a scalable form. Answers become comparable and segmentable instead of remaining merely anecdotal. | 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. |
Complexitydifferent | Medium | Medium | Medium | High |
Timedifferent | 30-60 min je Interview | Wochen bis Monate je Lernzyklus | 3-14 Tage | 4-5 Tage |
Participantsdifferent | 5-10 Interviews | 2-8 | 50+ | 5-8 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Survey Results, Charts, Segment Insights | Prototype, Test Findings, Decision Rationale |
Tags1 shared | ValidationInterviewsPrototype | LeanStartupValidationMVP | QuantitativeResearchValidation | Design sprintPrototypeValidationInnovation |