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| Criterion |  Operations Failure Mode and Effects Analysis |  UX Research User Interviews |  UX Research Affinity Diagramming |
|---|---|---|---|
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 teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | 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. |
Complexitydifferent | High | Low | Low |
Timedifferent | 2-6 h | 30–60 min per interview | 45–90 min |
Participantsdifferent | 3-10 | 1 participant per interview | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Interview Notes, Themes, Insight Summary | Theme clusters, Insight statements, Opportunity areas |
Tagsno overlap | RiskQualityOperationsRoot cause | QualitativeResearchCustomerDiscovery | SynthesisQualitativeRoot cause |
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