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| Criterion |  UX Research Card Sorting |  Product Discovery Solution Interview |  Product Discovery Experiment Canvas |  Product Discovery Learning Card |
|---|---|---|---|---|
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 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 experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 20-45 min | 30-60 min je Interview | 30-60 min | 25-40 min |
Participantsdifferent | Based on research question | 5-10 Interviews | 1-5 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Solution Feedback, Objection List, Validation Notes | Completed Experiment Canvas, Success Metric | Learning Card with evidence and next action |
Tagsno overlap | Information architectureNavigationStructure | ValidationInterviewsPrototype | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryLearning |