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| Criterion |  Product Discovery Jobs to Be Done |  Operations Failure Mode and Effects Analysis |  UX Research Affinity Diagramming |  Operations Fishbone Diagram |
|---|---|---|---|---|
Purposedifferent | When switching motives and progress are unclear, it reconstructs the situation from real customer circumstances. It shows why a switch happens and what kind of progress is being sought. | 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. | 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. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 1-3 Wochen | 2-6 h | 45–90 min | 30-60 min |
Participantsdifferent | 5-12 Interviews | 3-10 | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Job Stories, Outcome Statements, Opportunity List | FMEA Table, Risk Priority, Mitigation Actions | Theme clusters, Insight statements, Opportunity areas | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | CustomerOutcomesNeeds | RiskQualityOperationsRoot cause | SynthesisQualitativeRoot cause | Root causeQualityOperations |