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| Criterion |  UX Research Card Sorting |  Operations Scatter Diagram |  Architecture arc42 |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | When content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. | When the question is whether two measures are related, the method makes patterns in the data picture visible. It separates felt correlations from relationships that actually show up in the data. | 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. |
Complexitydifferent | Low | Low | Low | High |
Timedifferent | 20-45 min | 30-90 min | 1-2 Tage | 1-6 Wochen |
Participantsdifferent | Based on research question | 1-4 | 1-4 | 4-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Scatter Plot, Korrelationsnotiz, Hypothesenliste | Architecture Document, Context View, Runtime View, Deployment View | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | Information architectureNavigationStructure | Root causeQualityVisualization | ArchitectureDocumentationCommunication | QualityProblem solvingRoot cause |