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| Criterion |  UX Research Affinity Diagramming |  Operations 5 Whys |  Architecture arc42 |
|---|---|---|---|
Purposedifferent | 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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 45–90 min | 15-30 min | 1-2 Tage |
Participantsdifferent | 3-10 | 2-6 | 1-4 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Root cause notes, Countermeasures | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | SynthesisQualitativeRoot cause | Root causeIncidentLeanProblem solving | ArchitectureDocumentationCommunication |
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