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| Criterion |  Delivery Cost of Delay |  Operations Eat the Frog |  Operations 5 Whys |  Operations Ivy Lee Method |
|---|---|---|---|---|
Purposedifferent | Helps clarify scope, order, and delivery flow in concrete terms. It makes work, constraints, and sequence manageable. The result is captured as a Cost of Delay table and prioritization sequence. | The method protects energy and attention for the task that creates the largest progress and is often postponed. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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 | Low | Low |
Timedifferent | 90-180 min | 15-90 min daily | 15-30 min | 5-10 min daily |
Participantsdifferent | 3-8 | 1 | 2-6 | 1 |
Formatdifferent | Workshop | Async | Workshop | Async |
Outputdifferent | CoD Table, Prioritization Sequence | Priority Task, Completion Note, Daily Focus | Root cause notes, Countermeasures | Daily Priority List, Completion Notes |
Tagsno overlap | PrioritizationDeliveryEconomicsDecision | PrioritizationProductivityFocusExecution | Root causeIncidentLeanProblem solving | PrioritizationProductivityExecution |