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| Criterion |  UX Research User Interviews |  UX Research Personas |  Decision Making Delphi Method |  UX Research Empathy Mapping |
|---|---|---|---|---|
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 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 knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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. |
Complexitydifferent | Low | Medium | High | Low |
Timedifferent | 30–60 min per interview | 1-3 Tage | 1-4 Wochen | 30–60 min |
Participantsdifferent | 1 participant per interview | Internes Team | 6-30 Experten | 4-8 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Interview Notes, Themes, Insight Summary | Persona Profiles, Needs Summary, Scenario Notes | Expert Forecast, Consensus Range, Assumption Notes | Empathy Map, Assumptions List, Research Gaps |
Tagsno overlap | QualitativeResearchCustomerDiscovery | ResearchCustomerSynthesis | ForecastingExpertsDecisionStrategy | SynthesisQualitativeWorkshop |