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| Criterion |  UX Research User Interviews |  Architecture arc42 |  Operations 8D Problem Solving |  Architecture Architecture Communication Canvas |
|---|---|---|---|---|
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. | 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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. |
Complexitydifferent | Low | Low | High | Medium |
Timedifferent | 30–60 min per interview | 1-2 Tage | 1-6 Wochen | 60-120 min |
Participantsdifferent | 1 participant per interview | 1-4 | 4-10 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Architecture Document, Context View, Runtime View, Deployment View | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Communication Canvas, Stakeholder Messages, Architecture Communication Plan |
Tagsno overlap | QualitativeResearchCustomerDiscovery | ArchitectureDocumentationCommunication | QualityProblem solvingRoot cause | ArchitectureCommunicationStakeholdersCanvas |