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| Criterion |  Decision Making Pre-Mortem |  Operations Root Cause Tree Analysis |  Decision Making Decision Tree |
|---|---|---|---|
Purposedifferent | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | 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 | Low | Medium | Medium |
Timedifferent | 20–45 min | 1-3 h | 30-90 min |
Participantsdifferent | Small cross-functional group | 2-8 | 1-6 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Risk list, Mitigation plan, Assumption log | Cause Tree, Evidence Notes, Countermeasures | Decision Tree, Option Map, Assumption List |
Tagsno overlap | RiskDecisionFailurePlanning | Root causeTreeIncidentQuality | DecisionTreeOptions |
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