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| Criterion |  Operations A3 Problem Solving |  Innovation Brainwriting |  Operations 5 Whys |
|---|---|---|---|
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 loud voices or hierarchy distort the idea search, the method creates a quiet entry into joint development. It gives everyone thinking space and gathers contributions without social brakes, making diversity more visible and easier to build on. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 45-90 min | 15-30 min | 15-30 min |
Participantsdifferent | 2-5 | 3-12 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Idea sheets, Expanded concepts, Prioritized list | Root cause notes, Countermeasures |
Tagsno overlap | LeanProblem solvingCoachingOperations | BrainstormingCollaborationInclusionIdeas | Root causeIncidentLeanProblem solving |
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