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| Criterion |  UX Research Personas |  Operations Barrier Analysis |  Operations 8D Problem Solving |
|---|---|---|---|
Purposedifferent | When target groups stay too vague and teams talk about the same people differently, personas create a shared, solid picture of usage. Condensed profiles make needs, contexts, and differences tangible enough for decisions. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | 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 | Medium | High |
Timedifferent | 1-3 Tage | 2-4 h | 1-6 Wochen |
Participantsdifferent | Internes Team | 2-6 | 4-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Persona Profiles, Needs Summary, Scenario Notes | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | ResearchCustomerSynthesis | Root causeSafetyIncident | QualityProblem solvingRoot cause |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
