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| Criterion |  Operations A3 Problem Solving |  UX Research Card Sorting |  Innovation TRIZ |
|---|---|---|---|
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 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 technical contradictions or trade-offs, the method looks for solutions that resolve opposing requirements at the same time. It translates limits into an explicit picture of conflict that becomes workable. This produces not just compromises but more elegant principles. |
Complexitydifferent | Medium | Low | High |
Timedifferent | 45-90 min | 20-45 min | 1-4 h |
Participantsdifferent | 2-5 | Based on research question | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Content groups, Label set, IA hypotheses | Contradiction Statement, Inventive Principles, Solution Concepts |
Tagsno overlap | LeanProblem solvingCoachingOperations | Information architectureNavigationStructure | InnovationProblem solvingContradictionsCreativity |
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