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| Criterion |  Operations Failure Mode and Effects Analysis |  UX Research Affinity Diagramming |  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 research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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 | Low | Low |
Timedifferent | 2-6 h | 45–90 min | 15-30 min |
Participantsdifferent | 3-10 | 3-10 | 2-6 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Theme clusters, Insight statements, Opportunity areas | Root cause notes, Countermeasures |
Tags1 shared | RiskQualityOperationsRoot cause | SynthesisQualitativeRoot cause | Root causeIncidentLeanProblem solving |
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