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| Criterion |  UX Research Affinity Diagramming |  Operations 8D Problem Solving |  Innovation Design Sprint |  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. | 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 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 | 4-5 Tage | 60-120 min |
Participantsdifferent | 3-10 | 4-10 | 5-8 | 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 | Prototype, Test Findings, Decision Rationale | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas |
Tagsno overlap | SynthesisQualitativeRoot cause | QualityProblem solvingRoot cause | Design sprintPrototypeValidationInnovation | ContradictionsInnovationProblem solving |