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| Criterion |  Agile Starfish Retrospective |  Operations 8D Problem Solving |  Operations Kepner-Tregoe |
|---|---|---|---|
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. | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Low | High | High |
Timedifferent | 45-90 min | 1-6 Wochen | 2-8 h |
Participantsdifferent | 4-12 | 4-10 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Starfish Board, Practice Changes, Experiments | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | RetrospectiveImprovementExperimentsTeam | QualityProblem solvingRoot cause | Problem solvingRoot causeDecisionOperations |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
