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| Criterion |  Innovation Design Thinking |  Product Discovery Solution Interview |  Decision Making Trade-off Analysis |  Decision Making Decision Matrix |
|---|---|---|---|---|
Purposedifferent | 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 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. | With limited resources, quality, speed, cost, and risk almost always compete with each other. Trade-off Analysis makes these tensions explicit and prevents decisions from producing hidden side effects. | 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 | High | Medium | Medium | Medium |
Timedifferent | 1 Tag bis mehrere Wochen | 30-60 min je Interview | 45-120 min | 45-90 min |
Participantsdifferent | 4-10 | 5-10 Interviews | 2-8 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Statement, Prototype, Test Learnings | Solution Feedback, Objection List, Validation Notes | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides | Decision Matrix, Scoring Rationale, Selected Option |
Tagsno overlap | InnovationPrototypeResearch | ValidationInterviewsPrototype | TradeoffsDecisionCriteriaOptions | DecisionCriteriaScoringTradeoffs |