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| Criterion |  Product Discovery Solution Interview |  Innovation Lean Startup |  Delivery Cost of Delay |
|---|---|---|---|
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. | 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. | Helps clarify scope, order, and delivery flow in concrete terms. It makes work, constraints, and sequence manageable. The result is captured as a Cost of Delay table and prioritization sequence. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 30-60 min je Interview | Wochen bis Monate je Lernzyklus | 90-180 min |
Participantsdifferent | 5-10 Interviews | 2-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | CoD Table, Prioritization Sequence |
Tagsno overlap | ValidationInterviewsPrototype | LeanStartupValidationMVP | PrioritizationDeliveryEconomicsDecision |
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