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