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| Criterion |  Product Discovery Context Canvas |  UX Research Contextual Inquiry |  Operations Kaizen Event |  Operations PDCA Cycle |
|---|---|---|---|---|
Purposedifferent | When an environment of users, systems, and constraints is hard to grasp, it puts the context compactly on the table. It creates a clear reading of influence, boundary, and dependency. | When work processes are known only from accounts and the real context stays hidden, Contextual Inquiry makes behavior at the workplace visible. Observation and follow-up questions together show how people actually work, get interrupted, and improvise. | 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 | Low | Medium | Medium | Low |
Timedifferent | 45-90 min | 1-3 Wochen | 0.5-5 Tage | 1 h bis mehrere Wochen |
Participantsdifferent | 3-10 | 4-12 Beobachtungen | 4-10 | 1-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Context canvas, Open questions, Shared context notes | Field Notes, Workflow Insights, Pain Points | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | PDCA Log, Experiment Plan, Learning Outcome, Standard Change |
Tagsno overlap | ContextFramingRequirementsCanvas | UX researchObservationContext | LeanContinuous improvementOperations | Continuous improvementLeanExperiments |