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| Criterion |  Decision Making Assumption Surfacing |  UX Research Personas |  UX Research Empathy Mapping |  UX Research User Interviews |
|---|---|---|---|---|
Purposedifferent | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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. | When a lot is assumed about a target group but little is seen jointly, empathy mapping makes knowledge and gaps directly comparable. The picture also shows which assumptions hold up and where evidence is missing. | 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. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 45-90 min | 1-3 Tage | 30–60 min | 30–60 min per interview |
Participantsdifferent | 2-8 | Internes Team | 4-8 | 1 participant per interview |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | Persona Profiles, Needs Summary, Scenario Notes | Empathy Map, Assumptions List, Research Gaps | Interview Notes, Themes, Insight Summary |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | ResearchCustomerSynthesis | SynthesisQualitativeWorkshop | QualitativeResearchCustomerDiscovery |