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| Criterion |  Operations Barrier Analysis |  UX Research Surveys |  Operations Causal Factor Analysis |
|---|---|---|---|
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 a topic needs to be validated broadly and many people can answer the same question, surveys gather structured feedback in a scalable form. Answers become comparable and segmentable instead of remaining merely anecdotal. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 2-4 h | 3-14 Tage | 2-6 h |
Participantsdifferent | 2-6 | 50+ | 3-10 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Survey Results, Charts, Segment Insights | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tagsno overlap | Root causeSafetyIncident | QuantitativeResearchValidation | CausalityIncidentRoot causeTimeline |
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