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| Criterion |  Operations Failure Mode and Effects Analysis |  Agile Affinity Estimation |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | 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. | 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. | 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 | High | Medium | Low |
Timedifferent | 2-6 h | 30-90 min | 15-30 min |
Participantsdifferent | 3-10 | 3-12 | 2-6 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Affinity Size Map, Grouped Estimates, Unclear Items | Root cause notes, Countermeasures |
Tagsno overlap | RiskQualityOperationsRoot cause | EstimationBacklogRelative sizing | Root causeIncidentLeanProblem solving |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
