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| Criterion |  UX Research User Interviews |  Decision Making Trade-off Analysis |  UX Research Personas |
|---|---|---|---|
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. | 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 target groups stay too vague and teams talk about the same people differently, personas create a shared, solid picture of usage. Condensed profiles make needs, contexts, and differences tangible enough for decisions. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 30–60 min per interview | 45-120 min | 1-3 Tage |
Participantsdifferent | 1 participant per interview | 2-8 | Internes Team |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides | Persona Profiles, Needs Summary, Scenario Notes |
Tagsno overlap | QualitativeResearchCustomerDiscovery | TradeoffsDecisionCriteriaOptions | ResearchCustomerSynthesis |
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