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| Criterion |  Product Discovery Solution Interview |  Architecture Architecture Communication Canvas |  UX Research Usability Testing |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | When a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 30-60 min je Interview | 60-120 min | 1-2 h je Session | 1-2 Tage |
Participantsdifferent | 5-10 Interviews | 2-8 | Based on research question | 1-4 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Usability Issues, Severity List, Recommendations | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | ValidationInterviewsPrototype | ArchitectureCommunicationStakeholdersCanvas | ValidationUXPrototype | ArchitectureDocumentationCommunication |