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| Criterion |  Operations Fault Tree Analysis |  Operations Eat the Frog |  Operations Barrier Analysis |  Operations Ivy Lee Method |
|---|---|---|---|---|
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. | The method protects energy and attention for the task that creates the largest progress and is often postponed. | 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. | With a restless workday full of too many open items, the method creates radical simplicity. It directs attention to a short sequence instead of a broad, still-open field. |
Complexitydifferent | High | Low | Medium | Low |
Timedifferent | 2-6 h | 15-90 min daily | 2-4 h | 5-10 min daily |
Participantsdifferent | 3-8 | 1 | 2-6 | 1 |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Priority Task, Completion Note, Daily Focus | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Daily Priority List, Completion Notes |
Tagsno overlap | RiskRoot causeSafety | PrioritizationProductivityFocusExecution | Root causeSafetyIncident | PrioritizationProductivityExecution |