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| Criterion |  Product Discovery Solution Interview |  Innovation Design Thinking |  UX Research Affinity Diagramming |  UX Research Personas |
|---|---|---|---|---|
Purposedifferent | When a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | 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 | Medium | High | Low | Medium |
Timedifferent | 30-60 min je Interview | 1 Tag bis mehrere Wochen | 45–90 min | 1-3 Tage |
Participantsdifferent | 5-10 Interviews | 4-10 | 3-10 | Internes Team |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Problem Statement, Prototype, Test Learnings | Theme clusters, Insight statements, Opportunity areas | Persona Profiles, Needs Summary, Scenario Notes |
Tagsno overlap | ValidationInterviewsPrototype | InnovationPrototypeResearch | SynthesisQualitativeRoot cause | ResearchCustomerSynthesis |