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| Criterion |  Product Discovery Jobs to Be Done |  Operations Failure Mode and Effects Analysis |  UX Research Affinity Diagramming |  Operations 8D Problem Solving |
|---|---|---|---|---|
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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Medium | High | Low | High |
Timedifferent | 1-3 Wochen | 2-6 h | 45–90 min | 1-6 Wochen |
Participantsdifferent | 5-12 Interviews | 3-10 | 3-10 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Job Stories, Outcome Statements, Opportunity List | FMEA Table, Risk Priority, Mitigation Actions | Theme clusters, Insight statements, Opportunity areas | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | CustomerOutcomesNeeds | RiskQualityOperationsRoot cause | SynthesisQualitativeRoot cause | QualityProblem solvingRoot cause |