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| Criterion |  Operations Root Cause Tree Analysis |  UX Design Customer Journey Canvas |  Operations Barrier Analysis |
|---|---|---|---|
Purposedifferent | 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. | When a journey needs to be understood across several phases, it arranges experience, touchpoints, and opportunities into one picture. It makes gaps and friction along the user path clear. | 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 | 2-8 | 3-10 | 2-6 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Cause Tree, Evidence Notes, Countermeasures | Customer Journey Canvas, Pain Points, Experience Opportunities | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | Root causeTreeIncidentQuality | JourneyCustomerService designCanvas | Root causeSafetyIncident |
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