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| Criterion |  Innovation Brainwriting |  UX Research User Interviews |  Product Discovery Opportunity Interview |  UX Research Personas |
|---|---|---|---|---|
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 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 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 | Low | Low | Medium | Medium |
Timedifferent | 15-30 min | 30–60 min per interview | 30-60 min je Interview | 1-3 Tage |
Participantsdifferent | 3-12 | 1 participant per interview | 5-12 Interviews | Internes Team |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Idea sheets, Expanded concepts, Prioritized list | Interview Notes, Themes, Insight Summary | Interview Notes, Opportunity Themes, Customer Quotes | Persona Profiles, Needs Summary, Scenario Notes |
Tagsno overlap | BrainstormingCollaborationInclusionIdeas | QualitativeResearchCustomerDiscovery | DiscoveryInterviewsOpportunityCustomer | ResearchCustomerSynthesis |