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| Criterion |  Operations A3 Problem Solving |  Operations Fishbone Diagram |  Innovation Brainstorming |
|---|---|---|---|
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 problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | When a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 45-90 min | 30-60 min | 30-60 min |
Participantsdifferent | 2-5 | 2-8 | 4-12 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Fishbone Diagram, Cause Categories, Investigation Backlog | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | LeanProblem solvingCoachingOperations | Root causeQualityOperations | BrainstormingIdeationCreativityWorkshopDivergence |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
