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| Criterion |  UX Research Card Sorting |  Product Discovery Opportunity Interview |  UX Research Personas |  Product Discovery Problem Interview |
|---|---|---|---|---|
Purposedifferent | When content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. | 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. | When the picture of the problem still needs to become solid, it asks about real situations and consequences. It separates genuine suffering from mere interest in a solution. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 20-45 min | 30-60 min je Interview | 1-3 Tage | 30-60 min je Interview |
Participantsdifferent | Based on research question | 5-12 Interviews | Internes Team | 5-12 Interviews |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Interview Notes, Opportunity Themes, Customer Quotes | Persona Profiles, Needs Summary, Scenario Notes | Problem Evidence, Risk Notes, Customer Segments |
Tagsno overlap | Information architectureNavigationStructure | DiscoveryInterviewsOpportunityCustomer | ResearchCustomerSynthesis | DiscoveryInterviewsValidation |