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| Criterion | ![]() Operations Change Analysis | ![]() Operations Failure Mode and Effects Analysis | ![]() Operations Gemba Walk | ![]() Operations Standard Work Analysis |
|---|---|---|---|---|
Purposedifferent | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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. | 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 same task is done differently depending on the person, the method exposes the reliable core. It creates comparability without unnecessarily choking off needed latitude. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 45-120 min | 2-6 h | 30-120 min | 1-3 h |
Participantsdifferent | 2-6 | 3-10 | 2-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | FMEA Table, Risk Priority, Mitigation Actions | Observation Notes, Improvement Ideas | Standard Work Sheet, Deviation List, Improved Standard, Training Needs |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | RiskQualityOperationsRoot cause | LeanObservationProcessOperations | LeanProcessQuality |



