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| Criterion |  Product Discovery Dual-Track Agile |  UX Research User Interviews |  UX Research Personas |
|---|---|---|---|
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 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. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | Laufend, Wochen bis Monate | 30–60 min per interview | 1-3 Tage |
Participantsdifferent | 4-10 | 1 participant per interview | Internes Team |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Discovery Backlog, Delivery Backlog, Experiment-Ergebnisse, Validierte Stories | Interview Notes, Themes, Insight Summary | Persona Profiles, Needs Summary, Scenario Notes |
Tagsno overlap | AgileDiscoveryDelivery | QualitativeResearchCustomerDiscovery | ResearchCustomerSynthesis |
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