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| Criterion |  Decision Making Constraint Analysis |  Systems Thinking CATWOE Analysis |  Operations 8D Problem Solving |  Operations Kepner-Tregoe |
|---|---|---|---|---|
Purposedifferent | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | CATWOE structures a problem from six viewpoints and prevents too narrow a view of the situation. Different experiences of the system become comparably discussable this way. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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 | High | High |
Timedifferent | 30-90 min | 45-90 min | 1-6 Wochen | 2-8 h |
Participantsdifferent | 2-8 | 3-8 | 4-10 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | ConstraintsDecisionPlanningOptions | Systems thinkingFramingStakeholders | QualityProblem solvingRoot cause | Problem solvingRoot causeDecisionOperations |