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| Criterion |  UX Research Affinity Diagramming |  Operations 8D Problem Solving |  Innovation Design Thinking |  Innovation Contradiction Analysis |
|---|---|---|---|---|
Purposedifferent | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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 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. |
Complexitydifferent | Low | High | High | Medium |
Timedifferent | 45–90 min | 1-6 Wochen | 1 Tag bis mehrere Wochen | 60-120 min |
Participantsdifferent | 3-10 | 4-10 | 4-10 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Problem Statement, Prototype, Test Learnings | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas |
Tagsno overlap | SynthesisQualitativeRoot cause | QualityProblem solvingRoot cause | InnovationPrototypeResearch | ContradictionsInnovationProblem solving |