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| Criterion |  Operations Root Cause Tree Analysis |  Agile Affinity Estimation |  Operations Root Cause Analysis |
|---|---|---|---|
Purposedifferent | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | When many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-3 h | 30-90 min | 1-4 h |
Participantsdifferent | 2-8 | 3-12 | 3-8 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Cause Tree, Evidence Notes, Countermeasures | Affinity Size Map, Grouped Estimates, Unclear Items | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | Root causeTreeIncidentQuality | EstimationBacklogRelative sizing | Root causeProblem solvingQualityIncident |
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