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| Criterion |  Operations Causal Factor Analysis |  Operations Barrier Analysis |  DevOps ChatOps |  Operations Family Tree Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | For operational work in a distributed team, the method links communication with direct system control. It records decisions right where the signal, the context, and the execution come together. | For a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. |
Complexitydifferent | High | Medium | Medium | Medium |
Timedifferent | 2-6 h | 2-4 h | Ongoing | 2-4 h |
Participantsdifferent | 3-10 | 2-6 | 2-20 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Chat Transcript, Action Log, Automations | Family Tree Diagram, Pattern Notes, Systemic Measures |
Tags1 shared | CausalityIncidentRoot causeTimeline | Root causeSafetyIncident | CollaborationEngineeringIncident | Root causePatternsIncidentSystemic |