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| Criterion |  DevOps Blameless Postmortem |  Operations Barrier Analysis |  UX Design Customer Journey Canvas |
|---|---|---|---|
Purposedifferent | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. | 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 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 30-90 min | 2-4 h | 1-3 h |
Participantsdifferent | 3-12 | 2-6 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Postmortem Doc, Action Items, Timeline | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Customer Journey Canvas, Pain Points, Experience Opportunities |
Tagsno overlap | Site Reliability EngineeringIncidentLearningReliability | Root causeSafetyIncident | JourneyCustomerService designCanvas |
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