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| Criterion |  UX Research User Interviews |  Decision Making Assumption Surfacing |  Architecture Architecture Communication Canvas |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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 | Low | Low | Medium | Low |
Timedifferent | 30–60 min per interview | 45-90 min | 60-120 min | 1-2 Tage |
Participantsdifferent | 1 participant per interview | 2-8 | 2-8 | 1-4 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Assumption List, Critical Assumptions, Learning Plan | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | QualitativeResearchCustomerDiscovery | AssumptionsRiskDecisionDiscovery | ArchitectureCommunicationStakeholdersCanvas | ArchitectureDocumentationCommunication |