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| Criterion |  Operations Process Mapping |  Decision Making PERT Estimation |  Operations Fishbone Diagram |  Facilitation Dot Estimation |
|---|---|---|---|---|
Purposedifferent | With a confusing workflow that has many handoffs, the method makes the actual process visible. It shows where work is passed on, delayed, or duplicated, so improvement targets the right spots. | On complex initiatives, a plain average tends to understate just how uncertain the outcome really is. It separates options, evaluation criteria, and open risks. The result is captured as a PERT Estimate, Expected Value, and Risk Notes. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-3 h | 15-45 min | 30-60 min | 5-20 min |
Participantsdifferent | 3-10 | 1-8 | 2-8 | 3-20 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Process Map, Handoff List, Improvement Backlog | PERT Estimate, Expected Value, Risk Notes | Fishbone Diagram, Cause Categories, Investigation Backlog | Effort Heatmap, Risk Signals, Discussion Targets |
Tagsno overlap | ProcessOperationsImprovement | EstimationUncertaintyRisk | Root causeQualityOperations | EstimationEffortRisk |