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| Criterion |  Product Discovery Solution Interview |  UX Research Surveys |  Innovation Lean Startup |  Product Strategy Lean Canvas |
|---|---|---|---|---|
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. | 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. | 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 an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 30-60 min je Interview | 3-14 Tage | Wochen bis Monate je Lernzyklus | 45-90 min |
Participantsdifferent | 5-10 Interviews | 50+ | 2-8 | 1-6 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Survey Results, Charts, Segment Insights | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Lean Canvas, Core Assumptions, Experiment Backlog |
Tagsno overlap | ValidationInterviewsPrototype | QuantitativeResearchValidation | LeanStartupValidationMVP | StartupLeanAssumptionsBusiness model |