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| Criterion |  UX Research Usability Testing |  Innovation TRIZ |  UX Research Card Sorting |
|---|---|---|---|
Purposedifferent | 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. | 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. | 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. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 1-2 h je Session | 1-4 h | 20-45 min |
Participantsdifferent | Based on research question | 2-8 | Based on research question |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Contradiction Statement, Inventive Principles, Solution Concepts | Content groups, Label set, IA hypotheses |
Tagsno overlap | ValidationUXPrototype | InnovationProblem solvingContradictionsCreativity | Information architectureNavigationStructure |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
