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| Criterion |  UX Research User Interviews |  Innovation Brainwriting |  Product Discovery Opportunity Solution Tree |
|---|---|---|---|
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 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 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. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 30–60 min per interview | 15-30 min | 1-2 h Setup, laufend |
Participantsdifferent | 1 participant per interview | 3-12 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Idea sheets, Expanded concepts, Prioritized list | Opportunity Solution Tree, Experiment Backlog, Learning Log |
Tagsno overlap | QualitativeResearchCustomerDiscovery | BrainstormingCollaborationInclusionIdeas | DiscoveryOutcomesExperimentsOpportunity |
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