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| Criterion |  Operations Root Cause Analysis |  Operations Failure Mode and Effects Analysis |  Product Discovery Experiment Canvas |
|---|---|---|---|
Purposedifferent | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | 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 experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 1-4 h | 2-6 h | 30-60 min |
Participantsdifferent | 3-8 | 3-10 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | FMEA Table, Risk Priority, Mitigation Actions | Completed Experiment Canvas, Success Metric |
Tagsno overlap | Root causeProblem solvingQualityIncident | RiskQualityOperationsRoot cause | ExperimentsValidationDiscoveryHypothesis |
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