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| Criterion |  UX Research Affinity Diagramming |  Operations Barrier Analysis |  Operations A3 Problem Solving |
|---|---|---|---|
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 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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 45–90 min | 2-4 h | 45-90 min |
Participantsdifferent | 3-10 | 2-6 | 2-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | SynthesisQualitativeRoot cause | Root causeSafetyIncident | LeanProblem solvingCoachingOperations |
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