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| Criterion |  UX Research Usability Testing |  Operations Failure Mode and Effects Analysis |  Operations A3 Problem Solving |
|---|---|---|---|
Purposedifferent | When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | 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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 1-2 h je Session | 2-6 h | 45-90 min |
Participantsdifferent | Based on research question | 3-10 | 2-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Usability Issues, Severity List, Recommendations | FMEA Table, Risk Priority, Mitigation Actions | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | ValidationUXPrototype | RiskQualityOperationsRoot cause | LeanProblem solvingCoachingOperations |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
