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| Criterion |  Product Discovery Dual-Track Agile |  UX Research Personas |  UX Research User Interviews |
|---|---|---|---|
Purposedifferent | When uncertainty and delivery run in parallel, it separates learning work from implementation while keeping both connected. It prevents unvalidated ideas from falling directly into the delivery stream. | 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 | Medium | Medium | Low |
Timedifferent | Laufend, Wochen bis Monate | 1-3 Tage | 30–60 min per interview |
Participantsdifferent | 4-10 | Internes Team | 1 participant per interview |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Discovery Backlog, Delivery Backlog, Experiment-Ergebnisse, Validierte Stories | Persona Profiles, Needs Summary, Scenario Notes | Interview Notes, Themes, Insight Summary |
Tagsno overlap | AgileDiscoveryDelivery | ResearchCustomerSynthesis | QualitativeResearchCustomerDiscovery |
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