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| Criterion |  Decision Making Three-Point Estimation |  Facilitation Dot Estimation |  Operations 8D Problem Solving |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | A single estimate for effort, time, or risk often looks too smooth for the real uncertainty behind it. It separates options, evaluation criteria, and open risks. The result is captured as a Three-Point Estimate, Risk Range, and Assumption Notes. | 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 an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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 | Low | High | High |
Timedifferent | 10-30 min je Item | 5-20 min | 1-6 Wochen | 2-6 h |
Participantsdifferent | 1-8 | 3-20 | 4-10 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Three-Point Estimate, Risk Range, Assumption Notes | Effort Heatmap, Risk Signals, Discussion Targets | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | EstimationUncertaintyForecasting | EstimationEffortRisk | QualityProblem solvingRoot cause | RiskQualityOperationsRoot cause |