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| Criterion |  Facilitation Dot Estimation |  Operations 5 Whys |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|
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. | 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. | 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 | Low | Low | High |
Timedifferent | 5-20 min | 15-30 min | 2-6 h |
Participantsdifferent | 3-20 | 2-6 | 3-10 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Effort Heatmap, Risk Signals, Discussion Targets | Root cause notes, Countermeasures | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | EstimationEffortRisk | Root causeIncidentLeanProblem solving | RiskQualityOperationsRoot cause |
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