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| Criterion |  Operations A3 Problem Solving |  Agile Starfish Retrospective |  Operations Kepner-Tregoe |  Agile Start Stop Continue |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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 a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | When a team wants to deliberately adjust its working behavior, it makes habits visible and assessable. It focuses on concrete changes instead of diffuse mood. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 45-90 min | 45-90 min | 2-8 h | 30-60 min |
Participantsdifferent | 2-5 | 4-12 | 2-8 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Starfish Board, Practice Changes, Experiments | Problem Analysis, Decision Analysis, Risk Plan | Start Stop Continue Board, Improvement Actions |
Tagsno overlap | LeanProblem solvingCoachingOperations | RetrospectiveImprovementExperimentsTeam | Problem solvingRoot causeDecisionOperations | RetrospectiveImprovementTeamReflection |