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| Criterion |  Operations Ivy Lee Method |  Operations Root Cause Analysis |  Operations Change 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. | 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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 5-10 min daily | 1-4 h | 45-120 min |
Participantsdifferent | 1 | 3-8 | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Daily Priority List, Completion Notes | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tagsno overlap | PrioritizationProductivityExecution | Root causeProblem solvingQualityIncident | ChangeRoot causeTroubleshootingComparison |
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