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| Criterion |  Innovation Contradiction Analysis |  Innovation Design Sprint |  UX Research Card Sorting |  Product Discovery Solution Interview |
|---|---|---|---|---|
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. | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | 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 solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 60-120 min | 4-5 Tage | 20-45 min | 30-60 min je Interview |
Participantsdifferent | 2-8 | 5-8 | Based on research question | 5-10 Interviews |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas | Prototype, Test Findings, Decision Rationale | Content groups, Label set, IA hypotheses | Solution Feedback, Objection List, Validation Notes |
Tagsno overlap | ContradictionsInnovationProblem solving | Design sprintPrototypeValidationInnovation | Information architectureNavigationStructure | ValidationInterviewsPrototype |