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| Criterion |  UX Research Usability Testing |  Architecture arc42 |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|
Purposedifferent | When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | 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. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 1-2 h je Session | 1-2 Tage | 1-2 Wochen pro Iteration |
Participantsdifferent | Based on research question | 1-4 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Architecture Document, Context View, Runtime View, Deployment View | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | ValidationUXPrototype | ArchitectureDocumentationCommunication | ExperimentsValidationDiscoveryAssumptions |
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