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| Criterion |  Knowledge Modeling Event Modeling |  UX Research Affinity Diagramming |  Product Discovery Test Card |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | Event Modeling connects business workflows with commands, events, and views into one coherent mental model. It helps design behavior, UI, and technical slices from the same underlying logic. | 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. | 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 | Medium | Low | Low | Medium |
Timedifferent | 2-6 h | 45–90 min | 20-35 min | 1-5 Tage |
Participantsdifferent | 2-8 | 3-10 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | Event Model, UI Flow, Commands, Read Models | Theme clusters, Insight statements, Opportunity areas | Test Card with a pre-set threshold | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | EventsBlueprintDomain-Driven DesignBehavior | SynthesisQualitativeRoot cause | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery |