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| Criterion |  Operations ABC Analysis |  Decision Making Three-Point Estimation |  Operations Gemba Walk |
|---|---|---|---|
Purposedifferent | 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. | A single estimate for effort, time, or risk often looks too smooth for the real uncertainty behind it. It separates options, evaluation criteria, and open risks. The result is captured as a Three-Point Estimate, Risk Range, and Assumption Notes. | 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. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 30-60 min | 10-30 min je Item | 30-120 min |
Participantsdifferent | 1-5 | 1-8 | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop |
Outputdifferent | ABC Classification, Focus Rules, Control List | Three-Point Estimate, Risk Range, Assumption Notes | Observation Notes, Improvement Ideas |
Tagsno overlap | PrioritizationOperationsPortfolio | EstimationUncertaintyForecasting | LeanObservationProcessOperations |
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