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| Criterion |  Operations Bottleneck Analysis |  Systems Thinking Current Reality Tree |  Facilitation Dot Estimation |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | For a flow that backs up at one point, the method looks for the capacity limit with the greatest leverage. It explains why extra effort elsewhere barely improves throughput. | 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. | 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. | 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. |
Complexitydifferent | Medium | High | Low | High |
Timedifferent | 1-3 h | 2-6 h | 5-20 min | 2-6 h |
Participantsdifferent | 3-8 | 3-8 | 3-20 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Bottleneck Map, Flow Metrics, Improvement Options, Follow-up Measures | Current Reality Tree, Core Problems, Intervention Ideas | Effort Heatmap, Risk Signals, Discussion Targets | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | FlowMeasurementConstraints | Systems thinkingRoot causeConstraintsCausality | EstimationEffortRisk | RiskQualityOperationsRoot cause |