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| Criterion |  Operations Visual Management |  Operations Fishbone Diagram |  Operations Standard Work Analysis |  Operations Gemba Walk |
|---|---|---|---|---|
Purposedifferent | With high tempo and many parallel topics, the method makes status, deviations, and priorities visible at a glance. It reduces search effort and prevents what matters from getting lost in daily work. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | Ongoing | 30-60 min | 1-3 h | 30-120 min |
Participantsdifferent | 1-20 | 2-8 | 2-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Visual Board, Status Indicators, Exception Cues | Fishbone Diagram, Cause Categories, Investigation Backlog | Standard Work Sheet, Deviation List, Improved Standard, Training Needs | Observation Notes, Improvement Ideas |
Tagsno overlap | SignalsOperationsVisual management | Root causeQualityOperations | LeanProcessQuality | LeanObservationProcessOperations |