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| Criterion |  UX Research Affinity Diagramming |  Product Discovery Problem Interview |  Product Discovery Fake Door Test |  Product Discovery Learning 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 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 demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 45–90 min | 30-60 min je Interview | 1-5 Tage | 25-40 min |
Participantsdifferent | 3-10 | 5-12 Interviews | Nutzertraffic | 1-5 |
Formatdifferent | Workshop | Workshop + async | Async | Workshop + async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Problem Evidence, Risk Notes, Customer Segments | Click Data, Interest Signal, Learning Decision | Learning Card with evidence and next action |
Tagsno overlap | SynthesisQualitativeRoot cause | DiscoveryInterviewsValidation | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryLearning |