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| Criterion |  Agile WSJF |  Product Discovery Solution Interview |  UX Research Surveys |  Innovation Lean Startup |
|---|---|---|---|---|
Purposedifferent | When many tasks compete for the same capacity, it orders work by economic impact. It makes time lost, benefit, and effort comparable together. | 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. |
Complexitydifferent | High | Medium | Medium | Medium |
Timedifferent | 45-90 min | 30-60 min je Interview | 3-14 Tage | Wochen bis Monate je Lernzyklus |
Participantsdifferent | 3-10 | 5-10 Interviews | 50+ | 2-8 |
Formatdifferent | Workshop | Workshop + async | Async | Workshop + async |
Outputdifferent | Ranked Backlog, Cost-of-Delay Assumptions | Solution Feedback, Objection List, Validation Notes | Survey Results, Charts, Segment Insights | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tagsno overlap | LeanEconomicsSequencePrioritization | ValidationInterviewsPrototype | QuantitativeResearchValidation | LeanStartupValidationMVP |