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| Criterion |  Operations A3 Problem Solving |  Facilitation 3-Circle Venn Diagram |  Facilitation Alignment Mapping |  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 three perspectives matter at the same time, a Three-Circle Venn Diagram shows the overlaps and remainders precisely. It makes visible where shared effect arises and where only a partial perspective applies. | When several people work toward one goal but hold different mental maps, Alignment Mapping makes the discrepancies visible. It arranges goals, assumptions, and priorities so shared direction becomes verifiable. | 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 | Medium | Low |
Timedifferent | 45-90 min | 15-45 min | 1-2 h | 15-30 min |
Participantsdifferent | 2-5 | 2-8 | 4-12 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Venn Diagram, Overlap Notes, Differentiators | Alignment Map, Open Issues, Decision Questions | Root cause notes, Countermeasures |
Tagsno overlap | LeanProblem solvingCoachingOperations | ComparisonFacilitationAlignment | AlignmentStakeholdersStrategyFacilitation | Root causeIncidentLeanProblem solving |