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| Criterion |  Operations A3 Problem Solving |  UX Research Personas |  Operations Kaizen Event |  Operations PDCA Cycle |
|---|---|---|---|---|
Purposedifferent | 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. | 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 tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. | 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. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 45-90 min | 1-3 Tage | 0.5-5 Tage | 1 h bis mehrere Wochen |
Participantsdifferent | 2-5 | Internes Team | 4-10 | 1-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Persona Profiles, Needs Summary, Scenario Notes | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | PDCA Log, Experiment Plan, Learning Outcome, Standard Change |
Tagsno overlap | LeanProblem solvingCoachingOperations | ResearchCustomerSynthesis | LeanContinuous improvementOperations | Continuous improvementLeanExperiments |