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| Criterion |  Operations Fishbone Diagram |  Decision Making Three-Point Estimation |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | 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. | 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. | 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. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 30-60 min | 10-30 min je Item | 15-30 min |
Participantsdifferent | 2-8 | 1-8 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Three-Point Estimate, Risk Range, Assumption Notes | Root cause notes, Countermeasures |
Tagsno overlap | Root causeQualityOperations | EstimationUncertaintyForecasting | Root causeIncidentLeanProblem solving |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
