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| Criterion |  Operations Gemba Walk |  Operations Scatter Diagram |  Operations Standard Work Analysis |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | When the question is whether two measures are related, the method makes patterns in the data picture visible. It separates felt correlations from relationships that actually show up in the data. | 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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. |
Complexitydifferent | Low | Low | Medium | High |
Timedifferent | 30-120 min | 30-90 min | 1-3 h | 2-6 h |
Participantsdifferent | 2-6 | 1-4 | 2-6 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Observation Notes, Improvement Ideas | Scatter Plot, Korrelationsnotiz, Hypothesenliste | Standard Work Sheet, Deviation List, Improved Standard, Training Needs | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | LeanObservationProcessOperations | Root causeQualityVisualization | LeanProcessQuality | RiskQualityOperationsRoot cause |