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| Criterion |  Agile Starfish Retrospective |  Operations Root Cause Analysis |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|
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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. |
Complexitydifferent | Low | Medium | High |
Timedifferent | 45-90 min | 1-4 h | 2-6 h |
Participantsdifferent | 4-12 | 3-8 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Starfish Board, Practice Changes, Experiments | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | RetrospectiveImprovementExperimentsTeam | Root causeProblem solvingQualityIncident | RiskQualityOperationsRoot cause |
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