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| Criterion |  Agile Starfish Retrospective |  Operations Root Cause Analysis |  Agile Sailboat Retrospective |  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 keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | When a team wants to read momentum, brakes, and risks together, it offers an easily understandable picture of the situation. It makes drive, obstacles, and headwind visible in the same picture. | 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 | Medium | Low | High |
Timedifferent | 45-90 min | 1-4 h | 45-90 min | 1-6 Wochen |
Participantsdifferent | 4-12 | 3-8 | 4-12 | 4-10 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Starfish Board, Practice Changes, Experiments | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Sailboat Board, Risks, Improvement Actions | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | RetrospectiveImprovementExperimentsTeam | Root causeProblem solvingQualityIncident | RetrospectiveTeamImprovement | QualityProblem solvingRoot cause |