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| Criterion |  Operations 5 Whys |  Business Strategy Strategy Execution Loop |  Decision Making DACI |  Operations Kepner-Tregoe |
|---|---|---|---|---|
Purposedifferent | 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. | The Strategy Execution Loop helps avoid treating strategy as a one-off document. It makes visible how strategic decisions are turned into objectives, initiatives, operational work, measurement, and learning. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. | 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 | Low | High | Low | High |
Timedifferent | 15-30 min | Initial 3-6 h, then monthly or quarterly reviews | 30-60 min | 2-8 h |
Participantsdifferent | 2-6 | 5-12 | 2-10 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Root cause notes, Countermeasures | Execution Loop, Review Cadence, Strategic Learning Log | DACI Matrix, Decision Owner, Decision Log | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | Root causeIncidentLeanProblem solving | ExecutionCadenceLearningGovernance | DecisionRolesGovernanceAlignment | Problem solvingRoot causeDecisionOperations |