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| Criterion |  Operations Barrier Analysis |  Systems Thinking Theory of Constraints Thinking Process |  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. | The Theory of Constraints Thinking Process exposes a system's bottleneck and the logic behind it. It suits situations where many symptoms trace back to the same limiting relationship. | 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 | High | High |
Timedifferent | 2-4 h | 0.5-3 Tage | 2-6 h |
Participantsdifferent | 2-6 | 4-10 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Current Reality Logic, Conflict Cloud, Future Reality Tree, Implementation Obstacles | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tagsno overlap | Root causeSafetyIncident | Theory of ConstraintsConstraintsSystems thinkingCausality | CausalityIncidentRoot causeTimeline |
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