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| Criterion |  Product Discovery Solution Interview |  UX Research Affinity Diagramming |  Product Discovery Problem Interview |  Innovation Design Sprint |
|---|---|---|---|---|
Purposedifferent | 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 research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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 the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. |
Complexitydifferent | Medium | Low | Medium | High |
Timedifferent | 30-60 min je Interview | 45–90 min | 30-60 min je Interview | 4-5 Tage |
Participantsdifferent | 5-10 Interviews | 3-10 | 5-12 Interviews | 5-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Theme clusters, Insight statements, Opportunity areas | Problem Evidence, Risk Notes, Customer Segments | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | ValidationInterviewsPrototype | SynthesisQualitativeRoot cause | DiscoveryInterviewsValidation | Design sprintPrototypeValidationInnovation |