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| Criterion |  Operations Barrier Analysis |  Operations A3 Problem Solving |  Operations Family Tree 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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 2-4 h | 45-90 min | 2-4 h |
Participantsdifferent | 2-6 | 2-5 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | A3 Report, Action Plan, Root Cause Analysis | Family Tree Diagram, Pattern Notes, Systemic Measures |
Tagsno overlap | Root causeSafetyIncident | LeanProblem solvingCoachingOperations | Root causePatternsIncidentSystemic |
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