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| Criterion |  Knowledge Modeling Event Modeling |  UX Research Affinity Diagramming |  Product Discovery Test Card |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
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 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 2-6 h | 45–90 min | 20-35 min | 30-60 min |
Participantsdifferent | 2-8 | 3-10 | 1-5 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Event Model, UI Flow, Commands, Read Models | Theme clusters, Insight statements, Opportunity areas | Test Card with a pre-set threshold | Completed Experiment Canvas, Success Metric |
Tagsno overlap | EventsBlueprintDomain-Driven DesignBehavior | SynthesisQualitativeRoot cause | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis |