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| Criterion |  Operations A3 Problem Solving |  Innovation Contradiction Analysis |  Agile Starfish Retrospective |  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 a system should improve while another measure suffers as a result, the method makes the underlying conflict precisely formulable. It separates the desired effect from its side effect. This makes solutions possible that address the contradiction deliberately instead of half-heartedly. | 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 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 | Medium | Low | Low |
Timedifferent | 45-90 min | 60-120 min | 45-90 min | 30-60 min |
Participantsdifferent | 2-5 | 2-8 | 4-12 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas | Starfish Board, Practice Changes, Experiments | Start Stop Continue Board, Improvement Actions |
Tagsno overlap | LeanProblem solvingCoachingOperations | ContradictionsInnovationProblem solving | RetrospectiveImprovementExperimentsTeam | RetrospectiveImprovementTeamReflection |