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| Criterion |  UX Research Card Sorting |  Operations Kaizen Event |  Operations ABC Analysis |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | When content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. | 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. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 20-45 min | 0.5-5 Tage | 30-60 min | 45-90 min |
Participantsdifferent | Based on research question | 4-10 | 1-5 | 2-5 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | ABC Classification, Focus Rules, Control List | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | Information architectureNavigationStructure | LeanContinuous improvementOperations | PrioritizationOperationsPortfolio | LeanProblem solvingCoachingOperations |