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| Criterion |  UX Research Card Sorting |  Operations A3 Problem Solving |  Operations ABC Analysis |  Operations Gemba Walk |
|---|---|---|---|---|
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 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. | 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. | 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 | Low | Medium | Low | Low |
Timedifferent | 20-45 min | 45-90 min | 30-60 min | 30-120 min |
Participantsdifferent | Based on research question | 2-5 | 1-5 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | Content groups, Label set, IA hypotheses | A3 Report, Action Plan, Root Cause Analysis | ABC Classification, Focus Rules, Control List | Observation Notes, Improvement Ideas |
Tagsno overlap | Information architectureNavigationStructure | LeanProblem solvingCoachingOperations | PrioritizationOperationsPortfolio | LeanObservationProcessOperations |