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| Criterion |  UX Research Card Sorting |  Innovation Contradiction Analysis |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|
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. | 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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. |
Complexitydifferent | Low | Medium | High |
Timedifferent | 20-45 min | 60-120 min | 2-6 h |
Participantsdifferent | Based on research question | 2-8 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Content groups, Label set, IA hypotheses | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | Information architectureNavigationStructure | ContradictionsInnovationProblem solving | RiskQualityOperationsRoot cause |
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