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| Criterion |  Operations Fault Tree 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. | 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 |
Timedifferent | 2-6 h | 5-10 min daily |
Participantsdifferent | 3-8 | 1 |
Formatdifferent | Workshop + async | Async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Daily Priority List, Completion Notes |
Tagsno overlap | RiskRoot causeSafety | PrioritizationProductivityExecution |
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