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| Criterion |  Product Discovery Problem Interview |  UX Research Card Sorting |  Product Discovery Experiment Canvas |  Product Discovery Learning Card |
|---|---|---|---|---|
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 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 | Medium | Low | Low | Low |
Timedifferent | 30-60 min je Interview | 20-45 min | 30-60 min | 25-40 min |
Participantsdifferent | 5-12 Interviews | Based on research question | 1-5 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Content groups, Label set, IA hypotheses | Completed Experiment Canvas, Success Metric | Learning Card with evidence and next action |
Tagsno overlap | DiscoveryInterviewsValidation | Information architectureNavigationStructure | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryLearning |