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| Criterion |  UX Design Lean UX Canvas |  Operations Root Cause Analysis |  Decision Making Assumption Surfacing |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | The Lean UX Canvas helps clarify user behavior, touchpoints, and concept decisions. It makes assumptions and desired outcomes visible and captures the result as a completed canvas, hypothesis list, and first experiment. | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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. |
Complexitydifferent | Medium | Medium | Low | High |
Timedifferent | 2-3 h | 1-4 h | 45-90 min | 1-6 Wochen |
Participantsdifferent | 3-8 | 3-8 | 2-8 | 4-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Completed Lean UX Canvas, Hypothesis list, First experiment | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Assumption List, Critical Assumptions, Learning Plan | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | CanvasHypothesisOutcomesDiscovery | Root causeProblem solvingQualityIncident | AssumptionsRiskDecisionDiscovery | QualityProblem solvingRoot cause |