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| Criterion |  Knowledge Modeling IBIS |  Operations Theory of Constraints |  Operations Kepner-Tregoe |  Operations After-Action Review |
|---|---|---|---|---|
Purposedifferent | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | For a system that does not get faster despite effort, the method directs attention to the bottleneck. It concentrates improvement on the point that actually limits throughput. | 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. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. |
Complexitydifferent | Medium | High | High | Low |
Timedifferent | 1-3 h | 2-4 h Analyse, laufend | 2-8 h | 20-45 min |
Participantsdifferent | 2-8 | 3-12 | 2-8 | 3-12 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Issue Map, Positions, Argument Notes | Constraint Map, Improvement Plan, Flow Metrics | Problem Analysis, Decision Analysis, Risk Plan | Lessons learned, Action items, Event summary |
Tagsno overlap | RationaleKnowledgeDecision | OperationsConstraintsFlowImprovement | Problem solvingRoot causeDecisionOperations | LearningOperationsImprovement |