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| Criterion |  Operations Ivy Lee Method |  Operations ALPEN Method |  Operations Fishbone Diagram |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. |
Complexitydifferent | Low | Low | Low | High |
Timedifferent | 5-10 min daily | 10-20 min daily | 30-60 min | 2-6 h |
Participantsdifferent | 1 | 1 | 2-8 | 3-10 |
Formatdifferent | Async | Async | Workshop | Workshop |
Outputdifferent | Daily Priority List, Completion Notes | Daily Plan, Time Estimates, Review Notes | Fishbone Diagram, Cause Categories, Investigation Backlog | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | PrioritizationProductivityExecution | PlanningTime managementProductivityOperations | Root causeQualityOperations | RiskQualityOperationsRoot cause |