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| Criterion |  Operations Kaizen Event |  Operations Failure Mode and Effects Analysis |  Product Discovery Test Card |
|---|---|---|---|
Purposedifferent | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. | 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 0.5-5 Tage | 2-6 h | 20-35 min |
Participantsdifferent | 4-10 | 3-10 | 1-5 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | FMEA Table, Risk Priority, Mitigation Actions | Test Card with a pre-set threshold |
Tagsno overlap | LeanContinuous improvementOperations | RiskQualityOperationsRoot cause | ExperimentsValidationDiscoveryHypothesis |
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