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| Criterion |  UX Research Affinity Diagramming |  Operations Failure Mode and Effects Analysis |  Decision Making Argument Mapping |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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 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 statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on. | 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 | Low | High | Medium | High |
Timedifferent | 45–90 min | 2-6 h | 1-3 h | 1-6 Wochen |
Participantsdifferent | 3-10 | 3-10 | 1-8 | 4-10 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | FMEA Table, Risk Priority, Mitigation Actions | Argument Map, Evidence Gaps, Decision Rationale | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | SynthesisQualitativeRoot cause | RiskQualityOperationsRoot cause | SensemakingDecisionRationale | QualityProblem solvingRoot cause |