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| Criterion |  UX Design Design Studio |  Operations A3 Problem Solving |  Innovation Starbursting |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | 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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-3 h | 45-90 min | 30-60 min | 15-30 min |
Participantsdifferent | 3-8 | 2-5 | 3-10 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Sketches, Concept Directions, Design Decisions | A3 Report, Action Plan, Root Cause Analysis | Star-Shaped Question Map, Question List, Assumption List | Root cause notes, Countermeasures |
Tagsno overlap | SketchingCollaborationIdeation | LeanProblem solvingCoachingOperations | BrainstormingIdeationWorkshopDiscovery | Root causeIncidentLeanProblem solving |