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| Criterion |  Product Discovery Solution Interview |  UX Research Card Sorting |  Product Discovery MVP Test Matrix |
|---|---|---|---|
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 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 several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 30-60 min je Interview | 20-45 min | 45-75 min |
Participantsdifferent | 5-10 Interviews | Based on research question | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Content groups, Label set, IA hypotheses | Test Matrix, Test Plan |
Tagsno overlap | ValidationInterviewsPrototype | Information architectureNavigationStructure | ExperimentsValidationDiscoveryOptions |
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