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| Criterion |  Decision Making Risk Matrix |  Operations Causal Factor Analysis |  Operations Kepner-Tregoe |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | When a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | 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. | 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 | Low | High | High | Low |
Timedifferent | 30-60 min | 2-6 h | 2-8 h | 15-30 min |
Participantsdifferent | 3-10 | 3-10 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Risk Matrix, Top Risk List | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Problem Analysis, Decision Analysis, Risk Plan | Root cause notes, Countermeasures |
Tagsno overlap | RiskDecisionPrioritizationAssessment | CausalityIncidentRoot causeTimeline | Problem solvingRoot causeDecisionOperations | Root causeIncidentLeanProblem solving |