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| Criterion |  Systems Thinking Iceberg Model |  Operations A3 Problem Solving |  Operations RACI Matrix |  Operations Kepner-Tregoe |
|---|---|---|---|---|
Purposedifferent | The Iceberg Model separates visible events from patterns, structures, and mental models. This turns a single observation into a deeper understanding of why a problem keeps recurring. | 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. | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. | 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 | Medium | Low | High |
Timedifferent | 30-60 min | 45-90 min | 45-90 min | 2-8 h |
Participantsdifferent | 2-10 | 2-5 | 2-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Iceberg Worksheet, Pattern Notes, Intervention Ideas | A3 Report, Action Plan, Root Cause Analysis | RACI Matrix, Responsibility Map, Decision Notes | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | Systems thinkingRoot causePatterns | LeanProblem solvingCoachingOperations | RolesResponsibilityGovernanceOperations | Problem solvingRoot causeDecisionOperations |