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| Criterion |  Innovation Lean Startup |  Product Discovery Solution Interview |  Growth A/B Testing |
|---|---|---|---|
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 two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | Wochen bis Monate je Lernzyklus | 30-60 min je Interview | 1-4 Wochen |
Participantsdifferent | 2-8 | 5-10 Interviews | 1-6 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Solution Feedback, Objection List, Validation Notes | Experiment results, Decision log, Learning summary |
Tags1 shared | LeanStartupValidationMVP | ValidationInterviewsPrototype | ExperimentsGrowthAnalyticsValidation |
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