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| Criterion |  UX Research Personas |  Agile Specification by Example |  Agile Three Amigos |  UX Research User Interviews |
|---|---|---|---|---|
Purposedifferent | 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 business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. | When story, test, and implementation could drift apart, it brings business perspective, engineering, and quality together early. It prevents a story from being read differently only late in the process. | 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 | Medium | Medium | Low | Low |
Timedifferent | 1-3 Tage | 60-90 min pro Feature | 15-30 min | 30–60 min per interview |
Participantsdifferent | Internes Team | 3-6 | 3 | 1 participant per interview |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Persona Profiles, Needs Summary, Scenario Notes | Example Table, Acceptance Tests | Clarified Story, Test Examples, Open Questions | Interview Notes, Themes, Insight Summary |
Tagsno overlap | ResearchCustomerSynthesis | AgileRequirementsExamplesBehavior-Driven Development | CollaborationBehavior-Driven DevelopmentQualityRefinement | QualitativeResearchCustomerDiscovery |