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| Criterion |  UX Design Service Blueprinting |  UX Research User Interviews |  UX Research Affinity Diagramming |  UX Research Personas |
|---|---|---|---|---|
Purposedifferent | When a service experience is spread across several touchpoints, it brings frontstage and backstage together. It shows where user contact and internal responsibility must fit. | 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 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 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 | High | Low | Low | Medium |
Timedifferent | 0.5-2 Tage | 30–60 min per interview | 45–90 min | 1-3 Tage |
Participantsdifferent | 6-12 | 1 participant per interview | 3-10 | Internes Team |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Service Blueprint, Fail Points, Ownership Map | Interview Notes, Themes, Insight Summary | Theme clusters, Insight statements, Opportunity areas | Persona Profiles, Needs Summary, Scenario Notes |
Tagsno overlap | Service designOperationsJourneyBlueprint | QualitativeResearchCustomerDiscovery | SynthesisQualitativeRoot cause | ResearchCustomerSynthesis |