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| Criterion |  Operations Fault Tree Analysis |  Facilitation Expectation Mapping |  Agile ROAM Board |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | When roles, interfaces, or projects fail because of differing expectations, Expectation Mapping surfaces these differences. It shows what each side takes for granted and where the pictures diverge. | When work needs to move between different states or columns, it makes that movement and its handoffs legible. It sorts work by value, risk, and delivery ability. The result is captured as a ROAM Board and an Owner List. | 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. |
Complexitydifferent | High | Low | Low | Medium |
Timedifferent | 2-6 h | 45-90 min | 20-40 min initial, dann laufend | 2-4 h |
Participantsdifferent | 3-8 | 3-12 | 3-15 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Expectation Map, Alignment Notes, Agreements | ROAM Board, Owner List | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | RiskRoot causeSafety | AlignmentStakeholdersTeam | RiskAgileTrackingAlignment | Root causeSafetyIncident |