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| Criterion |  UX Design Lean UX Canvas |  Operations 8D Problem Solving |  Product Strategy DIBB |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
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. | 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. | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. | 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. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 2-3 h | 1-6 Wochen | 1-2 h | 45-90 min |
Participantsdifferent | 3-8 | 4-10 | 2-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Completed Lean UX Canvas, Hypothesis list, First experiment | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | DIBB document, Belief list, Bet list, Learning report | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | CanvasHypothesisOutcomesDiscovery | QualityProblem solvingRoot cause | StrategyDecisionAssumptionsHypothesis | AssumptionsRiskDecisionDiscovery |