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| Criterion |  Innovation Lean Startup |  Product Discovery Solution Interview |  Product Discovery Wizard of Oz Test |  Product Strategy Lean Canvas |
|---|---|---|---|---|
Purposedifferent | 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 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 new experience would still be too expensive to automate for real, it simulates the outcome behind the scenes. It checks user reaction and value before the technology disappears. | 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. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | Wochen bis Monate je Lernzyklus | 30-60 min je Interview | 2-10 Tage | 45-90 min |
Participantsdifferent | 2-8 | 5-10 Interviews | 5-20 Nutzer | 1-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Solution Feedback, Objection List, Validation Notes | Prototype Learnings, Manual Effort Notes, Risk List | Lean Canvas, Core Assumptions, Experiment Backlog |
Tagsno overlap | LeanStartupValidationMVP | ValidationInterviewsPrototype | PrototypeValidationMVP | StartupLeanAssumptionsBusiness model |