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| Criterion |  Operations A3 Problem Solving |  UX Research Usability Testing |  Innovation Contradiction Analysis |
|---|---|---|---|
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 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. | When a system should improve while another measure suffers as a result, the method makes the underlying conflict precisely formulable. It separates the desired effect from its side effect. This makes solutions possible that address the contradiction deliberately instead of half-heartedly. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 45-90 min | 1-2 h je Session | 60-120 min |
Participantsdifferent | 2-5 | Based on research question | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Usability Issues, Severity List, Recommendations | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas |
Tagsno overlap | LeanProblem solvingCoachingOperations | ValidationUXPrototype | ContradictionsInnovationProblem solving |
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