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| Criterion |  Innovation Contradiction Analysis |  Innovation Design Thinking |  UX Research Tree Testing |  UX Research Card Sorting |
|---|---|---|---|---|
Purposedifferent | 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 complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | When a navigation exists but search paths still fail, tree testing checks findability without visual distraction. The method shows whether labels, levels, and paths really lead to the intended destination. | 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 | Medium | Low |
Timedifferent | 60-120 min | 1 Tag bis mehrere Wochen | 1-2 Tage | 20-45 min |
Participantsdifferent | 2-8 | 4-10 | Based on research question | Based on research question |
Formatdifferent | Workshop | Workshop | Async | Workshop + async |
Outputdifferent | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas | Problem Statement, Prototype, Test Learnings | Findability Metrics, Path Analysis, Revised IA | Content groups, Label set, IA hypotheses |
Tagsno overlap | ContradictionsInnovationProblem solving | InnovationPrototypeResearch | Information architectureNavigationFindability | Information architectureNavigationStructure |