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| Criterion |  Innovation Design Thinking |  UX Research Affinity Diagramming |  Product Discovery Opportunity Interview |  UX Research User Interviews |
|---|---|---|---|---|
Purposedifferent | 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 opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. | 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 | High | Low | Medium | Low |
Timedifferent | 1 Tag bis mehrere Wochen | 45–90 min | 30-60 min je Interview | 30–60 min per interview |
Participantsdifferent | 4-10 | 3-10 | 5-12 Interviews | 1 participant per interview |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Problem Statement, Prototype, Test Learnings | Theme clusters, Insight statements, Opportunity areas | Interview Notes, Opportunity Themes, Customer Quotes | Interview Notes, Themes, Insight Summary |
Tagsno overlap | InnovationPrototypeResearch | SynthesisQualitativeRoot cause | DiscoveryInterviewsOpportunityCustomer | QualitativeResearchCustomerDiscovery |