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| Criterion |  UX Research User Interviews |  Product Discovery Opportunity Solution Tree |  Innovation Design Charrette |  Innovation Lotus Blossom |
|---|---|---|---|---|
Purposedifferent | 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 discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. | In a tightly timed design process with many participants, the method pools several lines of thinking in a short time. It brings parallel design energy without letting the discussion tip into endless coordination. This quickly produces solid directions for architecture or space. | When a central question feels too large, the method breaks it into neighboring topic fields with their own depth of ideation. It holds structure and openness at the same time, so adjacent perspectives don't get lost. This grows an idea space out of a core problem. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 30–60 min per interview | 1-2 h Setup, laufend | Halber Tag bis mehrere Tage | 45-90 min |
Participantsdifferent | 1 participant per interview | 2-6 | 10-50 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Interview Notes, Themes, Insight Summary | Opportunity Solution Tree, Experiment Backlog, Learning Log | Sketches and Concepts, Consolidated Solution Sketch, Prioritized Direction | Lotus Diagram, Idea Themes, Shortlist |
Tagsno overlap | QualitativeResearchCustomerDiscovery | DiscoveryOutcomesExperimentsOpportunity | BrainstormingWorkshopCollaborationIdeation | BrainstormingIdeationCreativityDivergenceWorkshop |