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| Criterion |  Facilitation Dot Estimation |  Systems Thinking CATWOE Analysis |  Operations Failure Mode and Effects Analysis |  Systems Thinking Current Reality Tree |
|---|---|---|---|---|
Purposedifferent | When size or effort can only be estimated roughly, Dot Estimation condenses the group's experience into a quick range. It turns individual contributions into a visible selection. The result is captured as an Effort Heatmap, Risk Signals, and Discussion Targets. | 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 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 Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. |
Complexitydifferent | Low | Medium | High | High |
Timedifferent | 5-20 min | 45-90 min | 2-6 h | 2-6 h |
Participantsdifferent | 3-20 | 3-8 | 3-10 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Effort Heatmap, Risk Signals, Discussion Targets | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints | FMEA Table, Risk Priority, Mitigation Actions | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | EstimationEffortRisk | Systems thinkingFramingStakeholders | RiskQualityOperationsRoot cause | Systems thinkingRoot causeConstraintsCausality |