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| Criterion |  Product Discovery Solution Interview |  Product Strategy RICE Scoring |  Innovation Design Thinking |  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 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 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 | Medium | High | Medium |
Timedifferent | 30-60 min je Interview | 60-90 min | 1 Tag bis mehrere Wochen | 45-90 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 | Decision Matrix, Scoring Rationale, Selected Option |
Tagsno overlap | ValidationInterviewsPrototype | PrioritizationScoringRoadmapTradeoffs | InnovationPrototypeResearch | DecisionCriteriaScoringTradeoffs |