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Selected:Theory of Constraints Thinking ProcessFailure Mode and Effects Analysis8D Problem SolvingKepner-Tregoe
| Criterion |  Systems Thinking Theory of Constraints Thinking Process |  Operations Failure Mode and Effects Analysis |  Operations 8D Problem Solving |  Operations Kepner-Tregoe |
|---|---|---|---|---|
Purposedifferent | The Theory of Constraints Thinking Process exposes a system's bottleneck and the logic behind it. It suits situations where many symptoms trace back to the same limiting relationship. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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. |
Complexitysame | High | High | High | High |
Timedifferent | 0.5-3 Tage | 2-6 h | 1-6 Wochen | 2-8 h |
Participantsdifferent | 4-10 | 3-10 | 4-10 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Current Reality Logic, Conflict Cloud, Future Reality Tree, Implementation Obstacles | FMEA Table, Risk Priority, Mitigation Actions | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | Theory of ConstraintsConstraintsSystems thinkingCausality | RiskQualityOperationsRoot cause | QualityProblem solvingRoot cause | Problem solvingRoot causeDecisionOperations |