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| Criterion |  UX Research Customer Journey Mapping |  Product Discovery Test Card |  Domain Modeling EventStorming |  Product Discovery Hypothesis Prioritization Canvas |
|---|---|---|---|---|
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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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. | When many hypotheses compete for attention, it brings order to their learning sequence and importance. It separates problem, assumption, solution, and evidence. The result is captured as a prioritization canvas and a hypothesis backlog. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 2-4 h | 20-35 min | 2-8 h | 60-90 min |
Participantsdifferent | 4-10 | 1-5 | 5-12 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Journey Map, Pain-point List, Opportunity Backlog | Test Card with a pre-set threshold | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Prioritization Canvas, Hypothesis Backlog |
Tagsno overlap | JourneyServiceService design | ExperimentsValidationDiscoveryHypothesis | Domain-Driven DesignEventsDiscoveryWorkshop | ExperimentsPrioritizationDiscoveryHypothesis |