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| Criterion |  Innovation Brainwriting |  UX Research User Interviews |  Product Discovery Opportunity Solution Tree |  Innovation Design Charrette |
|---|---|---|---|---|
Purposedifferent | When loud voices or hierarchy distort the idea search, the method creates a quiet entry into joint development. It gives everyone thinking space and gathers contributions without social brakes, making diversity more visible and easier to build on. | 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. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 15-30 min | 30–60 min per interview | 1-2 h Setup, laufend | Halber Tag bis mehrere Tage |
Participantsdifferent | 3-12 | 1 participant per interview | 2-6 | 10-50 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Idea sheets, Expanded concepts, Prioritized list | Interview Notes, Themes, Insight Summary | Opportunity Solution Tree, Experiment Backlog, Learning Log | Sketches and Concepts, Consolidated Solution Sketch, Prioritized Direction |
Tagsno overlap | BrainstormingCollaborationInclusionIdeas | QualitativeResearchCustomerDiscovery | DiscoveryOutcomesExperimentsOpportunity | BrainstormingWorkshopCollaborationIdeation |