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| Criterion |  Decision Making Constraint Analysis |  Operations Gemba Walk |  Operations ABC Analysis |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | 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. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 30-90 min | 30-120 min | 30-60 min | 45-90 min |
Participantsdifferent | 2-8 | 2-6 | 1-5 | 2-5 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Observation Notes, Improvement Ideas | ABC Classification, Focus Rules, Control List | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | ConstraintsDecisionPlanningOptions | LeanObservationProcessOperations | PrioritizationOperationsPortfolio | LeanProblem solvingCoachingOperations |