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| Criterion |  Operations Failure Mode and Effects Analysis |  Systems Thinking Future Reality Tree |  Systems Thinking Evaporating Cloud |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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. | A Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | 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. |
Complexitydifferent | High | High | Medium | High |
Timedifferent | 2-6 h | 2-4 h | 60-120 min | 1-6 Wochen |
Participantsdifferent | 3-10 | 3-8 | 2-8 | 4-10 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | RiskQualityOperationsRoot cause | Theory of ConstraintsSystems thinkingChange | Theory of ConstraintsAssumptionsSystems thinking | QualityProblem solvingRoot cause |