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| Criterion |  UX Research Affinity Diagramming |  UX Research Card Sorting |  Operations Barrier Analysis |
|---|---|---|---|
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. | 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. | 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 | Low | Low | Medium |
Timedifferent | 45–90 min | 20-45 min | 2-4 h |
Participantsdifferent | 3-10 | Based on research question | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Content groups, Label set, IA hypotheses | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | SynthesisQualitativeRoot cause | Information architectureNavigationStructure | Root causeSafetyIncident |
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