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| Criterion |  UX Research Customer Journey Mapping |  Product Discovery Experiment Canvas |  Domain Modeling EventStorming |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | When a user journey falls apart across many touchpoints, customer journey mapping makes the experience visible as a coherent arc. Phases, emotions, and breaks become legible enough to prioritize critical moments deliberately. | 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. | When a domain consists of many events, rules, and states, it creates a shared modeling space for the team. It bundles language, flows, and boundaries before domain knowledge fragments into siloed views. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 2-4 h | 30-60 min | 2-8 h | 20-35 min |
Participantsdifferent | 4-10 | 1-5 | 5-12 | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Journey Map, Pain-point List, Opportunity Backlog | Completed Experiment Canvas, Success Metric | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Test Card with a pre-set threshold |
Tagsno overlap | JourneyServiceService design | ExperimentsValidationDiscoveryHypothesis | Domain-Driven DesignEventsDiscoveryWorkshop | ExperimentsValidationDiscoveryHypothesis |