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| Criterion |  Agile Starfish Retrospective |  Operations Fishbone Diagram |  Operations 8D Problem Solving |
|---|---|---|---|
Purposedifferent | When improvement options need to be sorted more finely than just start and stop, it brings observations into clear kinds of action. This makes visible what should be done more, less, newly, or continued. | 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 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. |
Complexitydifferent | Low | Low | High |
Timedifferent | 45-90 min | 30-60 min | 1-6 Wochen |
Participantsdifferent | 4-12 | 2-8 | 4-10 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Starfish Board, Practice Changes, Experiments | Fishbone Diagram, Cause Categories, Investigation Backlog | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | RetrospectiveImprovementExperimentsTeam | Root causeQualityOperations | QualityProblem solvingRoot cause |
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