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| Criterion |  UX Research Personas |  Operations 8D Problem Solving |  Architecture arc42 |  UX Research Affinity Diagramming |
|---|---|---|---|---|
Purposedifferent | When target groups stay too vague and teams talk about the same people differently, personas create a shared, solid picture of usage. Condensed profiles make needs, contexts, and differences tangible enough for decisions. | 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. | 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 research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 1-3 Tage | 1-6 Wochen | 1-2 Tage | 45–90 min |
Participantsdifferent | Internes Team | 4-10 | 1-4 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Persona Profiles, Needs Summary, Scenario Notes | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Architecture Document, Context View, Runtime View, Deployment View | Theme clusters, Insight statements, Opportunity areas |
Tagsno overlap | ResearchCustomerSynthesis | QualityProblem solvingRoot cause | ArchitectureDocumentationCommunication | SynthesisQualitativeRoot cause |