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| Criterion |  UX Research Personas |  Operations A3 Problem Solving |  Operations PDCA Cycle |  Operations Gemba Walk |
|---|---|---|---|---|
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 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. | For an improvement that still has to prove itself in everyday work, the method runs it through small learning loops. It connects planning, checking, and standardization into a repeatable learning mode. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-3 Tage | 45-90 min | 1 h bis mehrere Wochen | 30-120 min |
Participantsdifferent | Internes Team | 2-5 | 1-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Persona Profiles, Needs Summary, Scenario Notes | A3 Report, Action Plan, Root Cause Analysis | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Observation Notes, Improvement Ideas |
Tagsno overlap | ResearchCustomerSynthesis | LeanProblem solvingCoachingOperations | Continuous improvementLeanExperiments | LeanObservationProcessOperations |