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| Criterion |  UX Research Affinity Diagramming |  Decision Making Constraint Analysis |  UX Research Personas |  UX Research User Interviews |
|---|---|---|---|---|
Purposedifferent | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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 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 | Low | Medium | Low |
Timedifferent | 45–90 min | 30-90 min | 1-3 Tage | 30–60 min per interview |
Participantsdifferent | 3-10 | 2-8 | Internes Team | 1 participant per interview |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Persona Profiles, Needs Summary, Scenario Notes | Interview Notes, Themes, Insight Summary |
Tagsno overlap | SynthesisQualitativeRoot cause | ConstraintsDecisionPlanningOptions | ResearchCustomerSynthesis | QualitativeResearchCustomerDiscovery |