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| Criterion |  UX Research Usability Testing |  UX Research Affinity Diagramming |  Operations Barrier Analysis |
|---|---|---|---|
Purposedifferent | When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | 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 risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 1-2 h je Session | 45–90 min | 2-4 h |
Participantsdifferent | Based on research question | 3-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Theme clusters, Insight statements, Opportunity areas | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | ValidationUXPrototype | SynthesisQualitativeRoot cause | Root causeSafetyIncident |
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