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| Criterion |  Facilitation Dot Estimation |  Operations Scatter Diagram |  Operations 5 Whys |
|---|---|---|---|
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. | When the question is whether two measures are related, the method makes patterns in the data picture visible. It separates felt correlations from relationships that actually show up in the data. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitysame | Low | Low | Low |
Timedifferent | 5-20 min | 30-90 min | 15-30 min |
Participantsdifferent | 3-20 | 1-4 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Effort Heatmap, Risk Signals, Discussion Targets | Scatter Plot, Korrelationsnotiz, Hypothesenliste | Root cause notes, Countermeasures |
Tagsno overlap | EstimationEffortRisk | Root causeQualityVisualization | Root causeIncidentLeanProblem solving |
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