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| Criterion |  Operations Barrier Analysis |  UX Research User Interviews |  UX Research Affinity Diagramming |
|---|---|---|---|
Purposedifferent | 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. | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | 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. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 2-4 h | 30–60 min per interview | 45–90 min |
Participantsdifferent | 2-6 | 1 participant per interview | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Interview Notes, Themes, Insight Summary | Theme clusters, Insight statements, Opportunity areas |
Tagsno overlap | Root causeSafetyIncident | QualitativeResearchCustomerDiscovery | SynthesisQualitativeRoot cause |
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