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| Criterion |  Operations Failure Mode and Effects Analysis |  Knowledge Modeling Event Modeling |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | 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. | Event Modeling connects business workflows with commands, events, and views into one coherent mental model. It helps design behavior, UI, and technical slices from the same underlying logic. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | High | Medium | Low |
Timedifferent | 2-6 h | 2-6 h | 15-30 min |
Participantsdifferent | 3-10 | 2-8 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Event Model, UI Flow, Commands, Read Models | Root cause notes, Countermeasures |
Tagsno overlap | RiskQualityOperationsRoot cause | EventsBlueprintDomain-Driven DesignBehavior | Root causeIncidentLeanProblem solving |
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