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| Criterion |  Operations Failure Mode and Effects Analysis |  Operations Root Cause Tree Analysis |  Decision Making Decision Tree |
|---|---|---|---|
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. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | 2-6 h | 1-3 h | 30-90 min |
Participantsdifferent | 3-10 | 2-8 | 1-6 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Cause Tree, Evidence Notes, Countermeasures | Decision Tree, Option Map, Assumption List |
Tagsno overlap | RiskQualityOperationsRoot cause | Root causeTreeIncidentQuality | DecisionTreeOptions |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
