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| Criterion |  Product Discovery Problem Interview |  UX Research Card Sorting |  Product Discovery Solution Interview |  Product Discovery Concierge MVP |
|---|---|---|---|---|
Purposedifferent | 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. | 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 a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | When an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 30-60 min je Interview | 20-45 min | 30-60 min je Interview | 1-4 Wochen |
Participantsdifferent | 5-12 Interviews | Based on research question | 5-10 Interviews | 3-10 Kunden |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Content groups, Label set, IA hypotheses | Solution Feedback, Objection List, Validation Notes | Concierge Learnings, Service Blueprint, MVP Risks |
Tagsno overlap | DiscoveryInterviewsValidation | Information architectureNavigationStructure | ValidationInterviewsPrototype | MVPValidationServiceDiscovery |