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| Criterion | ![]() Facilitation Dot Estimation | ![]() Decision Making Wideband Delphi | ![]() Operations Root Cause Analysis | ![]() Operations 8D Problem Solving |
|---|---|---|---|---|
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. | A single opinion rarely holds up for planning when the future is genuinely uncertain. It separates options, evaluation criteria, and open risks. The result is captured as an Estimate Range, Assumption Log, and Expert Consensus Notes. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | 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. |
Complexitydifferent | Low | High | Medium | High |
Timedifferent | 5-20 min | 1-4 h or multiple rounds | 1-4 h | 1-6 Wochen |
Participantsdifferent | 3-20 | 4-12 Experten | 3-8 | 4-10 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Effort Heatmap, Risk Signals, Discussion Targets | Estimate Range, Assumption Log, Expert Consensus Notes | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | EstimationEffortRisk | EstimationExpertsForecasting | Root causeProblem solvingQualityIncident | QualityProblem solvingRoot cause |



