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| Criterion |  Agile WSJF |  Operations Root Cause Analysis |  Operations Eat the Frog |  Operations Ivy Lee Method |
|---|---|---|---|---|
Purposedifferent | When many tasks compete for the same capacity, it orders work by economic impact. It makes time lost, benefit, and effort comparable together. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | The method protects energy and attention for the task that creates the largest progress and is often postponed. | 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 | Medium | Low | Low |
Timedifferent | 45-90 min | 1-4 h | 15-90 min daily | 5-10 min daily |
Participantsdifferent | 3-10 | 3-8 | 1 | 1 |
Formatdifferent | Workshop | Workshop + async | Async | Async |
Outputdifferent | Ranked Backlog, Cost-of-Delay Assumptions | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Priority Task, Completion Note, Daily Focus | Daily Priority List, Completion Notes |
Tagsno overlap | LeanEconomicsSequencePrioritization | Root causeProblem solvingQualityIncident | PrioritizationProductivityFocusExecution | PrioritizationProductivityExecution |