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| Criterion |  UX Design Lean UX Canvas |  Operations Root Cause Analysis |  Decision Making Assumption Surfacing |  Operations 5 Whys |
|---|---|---|---|---|
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 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 | 2-3 h | 1-4 h | 45-90 min | 15-30 min |
Participantsdifferent | 3-8 | 3-8 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Completed Lean UX Canvas, Hypothesis list, First experiment | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Assumption List, Critical Assumptions, Learning Plan | Root cause notes, Countermeasures |
Tagsno overlap | CanvasHypothesisOutcomesDiscovery | Root causeProblem solvingQualityIncident | AssumptionsRiskDecisionDiscovery | Root causeIncidentLeanProblem solving |