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| Criterion |  Agile WSJF |  Innovation Design Sprint |  Product Discovery Solution Interview |  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 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. | 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. |
Complexitydifferent | High | High | Medium | Medium |
Timedifferent | 45-90 min | 4-5 Tage | 30-60 min je Interview | Wochen bis Monate je Lernzyklus |
Participantsdifferent | 3-10 | 5-8 | 5-10 Interviews | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Ranked Backlog, Cost-of-Delay Assumptions | Prototype, Test Findings, Decision Rationale | Solution Feedback, Objection List, Validation Notes | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tagsno overlap | LeanEconomicsSequencePrioritization | Design sprintPrototypeValidationInnovation | ValidationInterviewsPrototype | LeanStartupValidationMVP |