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| Criterion |  Product Discovery Solution Interview |  Product Strategy RICE Scoring |  Innovation Design Thinking |  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. | When many initiatives compete for the same resources, it brings reach, impact, confidence, and effort into one shared ranking. It makes prioritization economically connectable. | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | 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 | Medium | High | Low |
Timedifferent | 30-60 min je Interview | 60-90 min | 1 Tag bis mehrere Wochen | 30-60 min |
Participantsdifferent | 5-10 Interviews | 2-10 | 4-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | RICE Scores, Ranked List, Assumption Log | Problem Statement, Prototype, Test Learnings | ICE Table, Top Idea List |
Tagsno overlap | ValidationInterviewsPrototype | PrioritizationScoringRoadmapTradeoffs | InnovationPrototypeResearch | PrioritizationScoringGrowthDecision |