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| Criterion |  Operations Waste Analysis |  Operations Standard Work Analysis |  Operations Gemba Walk |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | For a process that keeps people busy but creates little value, the method exposes waste. It directs attention to unnecessary movement, waiting times, rework, and overdelivery. | When the same task is done differently depending on the person, the method exposes the reliable core. It creates comparability without unnecessarily choking off needed latitude. | 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. | 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 | Medium | Low | Medium |
Timedifferent | 45-120 min | 1-3 h | 30-120 min | 45-90 min |
Participantsdifferent | 2-8 | 2-6 | 2-6 | 2-5 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Waste Map, Prioritized Waste, Improvement Backlog | Standard Work Sheet, Deviation List, Improved Standard, Training Needs | Observation Notes, Improvement Ideas | A3 Report, Action Plan, Root Cause Analysis |
Tags1 shared | WasteLeanProcess improvement | LeanProcessQuality | LeanObservationProcessOperations | LeanProblem solvingCoachingOperations |