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| Criterion |  Product Discovery Solution Interview |  Product Strategy ICE Scoring |  Innovation Design Sprint |  Decision Making Decision Matrix |
|---|---|---|---|---|
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. | 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. | 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 several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 30-60 min je Interview | 30-60 min | 4-5 Tage | 45-90 min |
Participantsdifferent | 5-10 Interviews | 2-8 | 5-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | ICE Table, Top Idea List | Prototype, Test Findings, Decision Rationale | Decision Matrix, Scoring Rationale, Selected Option |
Tagsno overlap | ValidationInterviewsPrototype | PrioritizationScoringGrowthDecision | Design sprintPrototypeValidationInnovation | DecisionCriteriaScoringTradeoffs |