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| Criterion |  UX Design Design Studio |  Operations Root Cause Tree Analysis |  Operations Barrier Analysis |
|---|---|---|---|
Purposedifferent | When several designs need to be quickly put in relation to each other, it makes ideas visible and comparable. It encourages early variants instead of long upfront debates. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-3 h | 1-3 h | 2-4 h |
Participantsdifferent | 3-8 | 2-8 | 2-6 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Sketches, Concept Directions, Design Decisions | Cause Tree, Evidence Notes, Countermeasures | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | SketchingCollaborationIdeation | Root causeTreeIncidentQuality | Root causeSafetyIncident |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
