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| Criterion |  Decision Making Decision Tree |  Operations A3 Problem Solving |  Operations Root Cause Tree Analysis |  Operations Kepner-Tregoe |
|---|---|---|---|---|
Purposedifferent | 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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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 a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Medium | Medium | Medium | High |
Timedifferent | 30-90 min | 45-90 min | 1-3 h | 2-8 h |
Participantsdifferent | 1-6 | 2-5 | 2-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Decision Tree, Option Map, Assumption List | A3 Report, Action Plan, Root Cause Analysis | Cause Tree, Evidence Notes, Countermeasures | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | DecisionTreeOptions | LeanProblem solvingCoachingOperations | Root causeTreeIncidentQuality | Problem solvingRoot causeDecisionOperations |