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| Criterion |  UX Research User Interviews |  Decision Making Decision 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. | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | 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 | 30-90 min | 45-120 min |
Participantsdifferent | 1 participant per interview | 1-6 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Decision Tree, Option Map, Assumption List | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides |
Tagsno overlap | QualitativeResearchCustomerDiscovery | DecisionTreeOptions | TradeoffsDecisionCriteriaOptions |
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