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| Criterion |  UX Research User Interviews |  Product Discovery Opportunity Solution Tree |  Decision Making Trade-off Analysis |
|---|---|---|---|
Purposedifferent | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | When discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. | 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. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 30–60 min per interview | 1-2 h Setup, laufend | 45-120 min |
Participantsdifferent | 1 participant per interview | 2-6 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Opportunity Solution Tree, Experiment Backlog, Learning Log | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides |
Tagsno overlap | QualitativeResearchCustomerDiscovery | DiscoveryOutcomesExperimentsOpportunity | TradeoffsDecisionCriteriaOptions |
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