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| Criterion |  UX Research Customer Journey Mapping |  Product Discovery Assumption Mapping |  Architecture arc42 |  Architecture Risk Storming |
|---|---|---|---|---|
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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 2-4 h | 45-60 min | 1-2 Tage | 60-90 min |
Participantsdifferent | 4-10 | 2-8 | 1-4 | 4-12 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Journey Map, Pain-point List, Opportunity Backlog | Assumption map, Test backlog, Risk ranking | Architecture Document, Context View, Runtime View, Deployment View | Annotated Diagram, Prioritized Risk List, Action Backlog |
Tagsno overlap | JourneyServiceService design | AssumptionsRiskExperimentsValidation | ArchitectureDocumentationCommunication | RiskArchitectureWorkshopValidation |