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| Criterion |  Product Discovery Solution Interview |  Delivery Cost of Delay |  Innovation Lean Startup |  Product Strategy ICE Scoring |
|---|---|---|---|---|
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. | 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. | 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 ideas need sorting quickly, it condenses impact, confidence, and effort into one compact score. It connects customer value, product logic, and decision priorities. The result is captured as an ICE table and top-ideas list. |
Complexitydifferent | Medium | High | Medium | Low |
Timedifferent | 30-60 min je Interview | 90-180 min | Wochen bis Monate je Lernzyklus | 30-60 min |
Participantsdifferent | 5-10 Interviews | 3-8 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | CoD Table, Prioritization Sequence | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | ICE Table, Top Idea List |
Tagsno overlap | ValidationInterviewsPrototype | PrioritizationDeliveryEconomicsDecision | LeanStartupValidationMVP | PrioritizationScoringGrowthDecision |