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| Criterion |  Operations A3 Problem Solving |  Operations Kaizen Event |  Innovation Reverse Brainstorming |  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. | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. | For persistent errors or blockages, the method shifts the view to the opposite of the desired effect. It exposes the mechanics of failure and makes hidden causes easier to grasp. This makes improvement more concrete and the problem clearer. | 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 | Medium | Low | Low |
Timedifferent | 45-90 min | 0.5-5 Tage | 30-60 min | 30-60 min |
Participantsdifferent | 2-5 | 4-10 | 3-12 | 4-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Reverse Ideas, Risk Themes, Solution Ideas | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | LeanProblem solvingCoachingOperations | LeanContinuous improvementOperations | BrainstormingIdeationCreativityRisk | BrainstormingIdeationCreativityWorkshopDivergence |