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| Criterion |  Operations 8D Problem Solving |  UX Design Design Studio |  Innovation Starbursting |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | 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 several designs need to be quickly put in relation to each other, it makes ideas visible and comparable. It encourages early variants instead of long upfront debates. | Helps clarify ideas, open questions, and testable next steps in concrete terms. It opens the thinking space, collects ideas, and leads to testable options. The result is captured as a star-shaped question map, question list, and assumption list. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | High | Medium | Low | Medium |
Timedifferent | 1-6 Wochen | 1-3 h | 30-60 min | 1-4 h |
Participantsdifferent | 4-10 | 3-8 | 3-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Sketches, Concept Directions, Design Decisions | Star-Shaped Question Map, Question List, Assumption List | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | QualityProblem solvingRoot cause | SketchingCollaborationIdeation | BrainstormingIdeationWorkshopDiscovery | Root causeProblem solvingQualityIncident |