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| Criterion |  Operations Fishbone Diagram |  Operations Ivy Lee Method |  Operations 8D Problem Solving |  Operations Eat the Frog |
|---|---|---|---|---|
Purposedifferent | 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. | 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 an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | The method protects energy and attention for the task that creates the largest progress and is often postponed. |
Complexitydifferent | Low | Low | High | Low |
Timedifferent | 30-60 min | 5-10 min daily | 1-6 Wochen | 15-90 min daily |
Participantsdifferent | 2-8 | 1 | 4-10 | 1 |
Formatdifferent | Workshop | Async | Workshop + async | Async |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Daily Priority List, Completion Notes | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Priority Task, Completion Note, Daily Focus |
Tagsno overlap | Root causeQualityOperations | PrioritizationProductivityExecution | QualityProblem solvingRoot cause | PrioritizationProductivityFocusExecution |