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| Criterion |  Innovation Reverse Brainstorming |  Operations A3 Problem Solving |  Operations Kepner-Tregoe |
|---|---|---|---|
Purposedifferent | 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. | 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 disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Low | Medium | High |
Timedifferent | 30-60 min | 45-90 min | 2-8 h |
Participantsdifferent | 3-12 | 2-5 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Reverse Ideas, Risk Themes, Solution Ideas | A3 Report, Action Plan, Root Cause Analysis | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | BrainstormingIdeationCreativityRisk | LeanProblem solvingCoachingOperations | Problem solvingRoot causeDecisionOperations |
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