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| Criterion |  UX Research Affinity Diagramming |  UX Research Usability Testing |  Product Discovery Experiment Canvas |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | 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 a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | 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 Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 45–90 min | 1-2 h je Session | 30-60 min | 20-35 min |
Participantsdifferent | 3-10 | Based on research question | 1-5 | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Usability Issues, Severity List, Recommendations | Completed Experiment Canvas, Success Metric | Test Card with a pre-set threshold |
Tagsno overlap | SynthesisQualitativeRoot cause | ValidationUXPrototype | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis |