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| Criterion |  Operations Ivy Lee Method |  Operations Failure Mode and Effects Analysis |  Operations Gemba Walk |  Operations Eat the Frog |
|---|---|---|---|---|
Purposedifferent | 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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | The method protects energy and attention for the task that creates the largest progress and is often postponed. |
Complexitydifferent | Low | High | Low | Low |
Timedifferent | 5-10 min daily | 2-6 h | 30-120 min | 15-90 min daily |
Participantsdifferent | 1 | 3-10 | 2-6 | 1 |
Formatdifferent | Async | Workshop | Workshop | Async |
Outputdifferent | Daily Priority List, Completion Notes | FMEA Table, Risk Priority, Mitigation Actions | Observation Notes, Improvement Ideas | Priority Task, Completion Note, Daily Focus |
Tagsno overlap | PrioritizationProductivityExecution | RiskQualityOperationsRoot cause | LeanObservationProcessOperations | PrioritizationProductivityFocusExecution |