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| Criterion |  UX Research Affinity Diagramming |  UX Design Customer Journey Canvas |  Product Discovery Test Card |  Product Discovery Fake Door Test |
|---|---|---|---|---|
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 journey needs to be understood across several phases, it arranges experience, touchpoints, and opportunities into one picture. It makes gaps and friction along the user path clear. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 45–90 min | 1-3 h | 20-35 min | 1-5 Tage |
Participantsdifferent | 3-10 | 3-10 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop | Workshop | Workshop + async | Async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Customer Journey Canvas, Pain Points, Experience Opportunities | Test Card with a pre-set threshold | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | SynthesisQualitativeRoot cause | JourneyCustomerService designCanvas | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery |